Канал: Dr. Seán Kennedy

Java 8 OCA (1Z0-808) Certification Course, Java SE 8 Programmer I Boot Camp (Java Fundamentals)

Java 8 OCA (1Z0-808) Certification Course, Java SE 8 Programmer I Boot Camp (Java Fundamentals)

Udemy Java 8 OCA Course (1Z0-808) Course

Udemy Java 8 OCA Course (1Z0-808) Course

'Learn Java with Projects' book

'Learn Java with Projects' book

Java 21 (unnamed classes and instance main methods) - now in my Advanced Java course

Java 21 (unnamed classes and instance main methods) - now in my Advanced Java course

Java method overriding and exception signatures. (ocajp.i.v8.2.1373)

Java method overriding and exception signatures. (ocajp.i.v8.2.1373)

Java Memory Management - a comprehensive guide to garbage collection and JVM tuning

Java Memory Management - a comprehensive guide to garbage collection and JVM tuning

Enthuware - how to get my latest video links (see UPDATE in description)

Enthuware - how to get my latest video links (see UPDATE in description)

An if-else if-else statement. (enthuware.ocajp.i.v8.2.1065)

An if-else if-else statement. (enthuware.ocajp.i.v8.2.1065)

Adding abstraction to a class hierarchy using abstract methods. enthuware.ocajp.i.v8.2.1459

Adding abstraction to a class hierarchy using abstract methods. enthuware.ocajp.i.v8.2.1459

Importing from another package tutorial (enthuware.ocajp.i.v8.2.1079)

Importing from another package tutorial (enthuware.ocajp.i.v8.2.1079)

Objects and Garbage Collection Tutorial

Objects and Garbage Collection Tutorial

Java Streams - A Complete Tutorial

Java Streams - A Complete Tutorial

Java Streams Tutorials - Part 19 of 19 - Parallel Streams

Java Streams Tutorials - Part 19 of 19 - Parallel Streams

Java Streams Tutorials - Part 18 - Optionals

Java Streams Tutorials - Part 18 - Optionals

Java Streams Tutorials - Part 17 - Mapping Streams of primitives in code

Java Streams Tutorials - Part 17 - Mapping Streams of primitives in code

Java Streams Tutorials - Part 16 - Mapping Streams of Objects in code

Java Streams Tutorials - Part 16 - Mapping Streams of Objects in code

Java Streams Tutorials - Part 15 - How to remember the mapping streams API

Java Streams Tutorials - Part 15 - How to remember the mapping streams API

Java Streams Tutorials - Part 14 - Primitive Streams Functional Interfaces

Java Streams Tutorials - Part 14 - Primitive Streams Functional Interfaces

Java Streams Tutorials - Part 13 - Primitive Streams API

Java Streams Tutorials - Part 13 - Primitive Streams API

Java Streams Tutorials - Part 12 - creating primitive streams

Java Streams Tutorials - Part 12 - creating primitive streams

Java Streams Tutorials - Part 11 - 'map', 'flatMap' and 'sorted' explained (with code EXAMPLES!)

Java Streams Tutorials - Part 11 - 'map', 'flatMap' and 'sorted' explained (with code EXAMPLES!)

Java Streams Tutorials - Part 10 - 'filter', 'distinct' and 'limit'.

Java Streams Tutorials - Part 10 - 'filter', 'distinct' and 'limit'.

Java Streams Tutorials - Part 9 - Collectors.partitioningBy()

Java Streams Tutorials - Part 9 - Collectors.partitioningBy()

Java Streams Tutorials - Part 8 - Collectors.groupingBy()

Java Streams Tutorials - Part 8 - Collectors.groupingBy()

Java Streams Tutorials - Part 7 - Collectors.toMap()

Java Streams Tutorials - Part 7 - Collectors.toMap()

Java Streams Tutorials - Part 6 - collect() terminal operation

Java Streams Tutorials - Part 6 - collect() terminal operation

Java Streams Tutorials - Part 5 - reduce() terminal operation

Java Streams Tutorials - Part 5 - reduce() terminal operation

Java Streams Tutorials - Part 4 - terminal operations overview

Java Streams Tutorials - Part 4 - terminal operations overview

Java Streams Tutorials - Part 3 - Creating Streams

Java Streams Tutorials - Part 3 - Creating Streams

Java Streams Tutorials - Part 2 - Stream Laziness

Java Streams Tutorials - Part 2 - Stream Laziness

Java Streams Tutorials - Part 1 - Stream Pipelines

Java Streams Tutorials - Part 1 - Stream Pipelines

Java Lambdas Tutorials - Part 15 - Method References and Context

Java Lambdas Tutorials - Part 15 - Method References and Context

Java Lambdas Tutorials - Part 14 - Constructor Method References

Java Lambdas Tutorials - Part 14 - Constructor Method References

Java Lambdas Tutorials - Part 13 - Static Method References

Java Lambdas Tutorials - Part 13 - Static Method References

Java Lambdas Tutorials - Part 12 - Unbound Method References

Java Lambdas Tutorials - Part 12 - Unbound Method References

Java Lambdas Tutorials - Part 11 - Bound Method References

Java Lambdas Tutorials - Part 11 - Bound Method References

Java Lambdas Tutorials - Part 10 - Method References Introduction

Java Lambdas Tutorials - Part 10 - Method References Introduction

Java Lambdas Tutorials - Part 9 - 'final' and 'effectively final'

Java Lambdas Tutorials - Part 9 - 'final' and 'effectively final'

Java Lambdas Tutorials - Part 8 - UnaryOperator and BinaryOperator

Java Lambdas Tutorials - Part 8 - UnaryOperator and BinaryOperator

Java Lambdas Tutorials - Part 7 - Function and BiFunction

Java Lambdas Tutorials - Part 7 - Function and BiFunction

Java Lambdas Tutorials - Part 6 - Consumer and BiConsumer

Java Lambdas Tutorials - Part 6 - Consumer and BiConsumer

Java Lambdas Tutorials - Part 5 - Supplier

Java Lambdas Tutorials - Part 5 - Supplier

Java Lambdas Tutorials - Part 4 - BiPredicate

Java Lambdas Tutorials - Part 4 - BiPredicate

Java Lambdas Tutorials - Part 3 - Predicate

Java Lambdas Tutorials - Part 3 - Predicate

Java Lambdas Tutorials - Part 2 - custom functional interface

Java Lambdas Tutorials - Part 2 - custom functional interface

Java Lambdas Tutorials - Part 1 - Introduction

Java Lambdas Tutorials - Part 1 - Introduction

FREE Course on Udemy - Lambdas and Streams

FREE Course on Udemy - Lambdas and Streams

Coupons Page

Coupons Page

Ensuring you have the latest Enthuware question bank with links to my videos.

Ensuring you have the latest Enthuware question bank with links to my videos.

A tutorial on how Call-By-Value works in Java

A tutorial on how Call-By-Value works in Java

Coupons - Java 8 OCA Course on Udemy (Oct '21)

Coupons - Java 8 OCA Course on Udemy (Oct '21)

Examining both correct and incorrect implementations of max(Comparator)(enthuware.ocpjp.v11.2.1792)

Examining both correct and incorrect implementations of max(Comparator)(enthuware.ocpjp.v11.2.1792)

Java 8 OCA (1Z0-808) Autumn 2021 Course

Java 8 OCA (1Z0-808) Autumn 2021 Course

COUPONS - Udemy Java 8 OCA (1Z0-808) Course

COUPONS - Udemy Java 8 OCA (1Z0-808) Course

Java 8 OCA (1Z0-808) - Java Data Types (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Java Data Types (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Java Inheritance (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Java Inheritance (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Operators and Decision Constructs (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Operators and Decision Constructs (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Loops (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Loops (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Java Constructors, Methods and Encapsulation (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Java Constructors, Methods and Encapsulation (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Lambda expressions (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Lambda expressions (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Java Basics (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Java Basics (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Java API (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Java API (Enthuware sample questions)

Java 8 OCA (1Z0-808) - instanceof operator (Enthuware sample questions)

Java 8 OCA (1Z0-808) - instanceof operator (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Handling Exceptions (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Handling Exceptions (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Arrays (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Arrays (Enthuware sample questions)

Feedback - Java 8 OCA (1Z0-808) Summer Course '21 Attendee Feedback

Feedback - Java 8 OCA (1Z0-808) Summer Course '21 Attendee Feedback

Comparing the Class methods: isInstance(Object) versus isAssignableFrom(Class)

Comparing the Class methods: isInstance(Object) versus isAssignableFrom(Class)

Understanding Lambdas in Java (3 of 3) - using the Predicate Functional Interface (FI) from the API.

Understanding Lambdas in Java (3 of 3) - using the Predicate Functional Interface (FI) from the API.

Understanding Lambdas in Java (2 of 3) - a custom lambda.

Understanding Lambdas in Java (2 of 3) - a custom lambda.

Understanding Lambdas in Java (1 of 3) - the theory.

Understanding Lambdas in Java (1 of 3) - the theory.

Udemy Java 8 (1Z0-808) Course (FREE for first 2 days)

Udemy Java 8 (1Z0-808) Course (FREE for first 2 days)

Processing an unindented nested 'if' statement which has a dangling 'else' (ocpjp.v11.2.1105)

Processing an unindented nested 'if' statement which has a dangling 'else' (ocpjp.v11.2.1105)

Creating both inner and static nested instances from an instance method (enthuware.ocpjp.v11.2.1233)

Creating both inner and static nested instances from an instance method (enthuware.ocpjp.v11.2.1233)

How to instantiate local, inner and static nested classes. (enthuware.ocpjp.v11.2.1327)

How to instantiate local, inner and static nested classes. (enthuware.ocpjp.v11.2.1327)

Java SE 8 OCA (1Z0-808) Preparation Course June 2021

Java SE 8 OCA (1Z0-808) Preparation Course June 2021

Logical operators (&, |) versus short-circuit operators (&&, ||) (enthuware.ocpjp.v11.2.948)

Logical operators (&, |) versus short-circuit operators (&&, ||) (enthuware.ocpjp.v11.2.948)

Using Consumer's andThen method. (enthuware.ocpjp.v11.2.3339)

Using Consumer's andThen method. (enthuware.ocpjp.v11.2.3339)

Identify the standard functional interfaces returns a primitive type?(enthuware.ocpjp.v11.2.3340)

Identify the standard functional interfaces returns a primitive type?(enthuware.ocpjp.v11.2.3340)

Bound versus unbound Method References

Bound versus unbound Method References

Using a Consumer in forEach. (enthuware.ocpjp.v11.2.1800)

Using a Consumer in forEach. (enthuware.ocpjp.v11.2.1800)

Supplier is a functional interface with a 'V get()' method.(enthuware.ocpjp.v11.2.1814)

Supplier is a functional interface with a 'V get()' method.(enthuware.ocpjp.v11.2.1814)

Understanding DoubleSupplier implemented using a method reference. (enthuware.ocpjp.v11.2.1813)

Understanding DoubleSupplier implemented using a method reference. (enthuware.ocpjp.v11.2.1813)

UTF encoding versus default encoding. (enthuware.ocpjp.v11.2.1774)

UTF encoding versus default encoding. (enthuware.ocpjp.v11.2.1774)

Processing a file using FileInputStream wrapped in InputStreamReader. (enthuware.ocpjp.v11.2.1794)

Processing a file using FileInputStream wrapped in InputStreamReader. (enthuware.ocpjp.v11.2.1794)

Creating a RandomAccessFile and writing to it. Which statements are ok? (enthuware.ocpjp.v11.2.1717)

Creating a RandomAccessFile and writing to it. Which statements are ok? (enthuware.ocpjp.v11.2.1717)

Creating and writing to the end of a RandomAccessFile properly. (enthuware.ocpjp.v11.2.1716)

Creating and writing to the end of a RandomAccessFile properly. (enthuware.ocpjp.v11.2.1716)

Going back and forth in a stream using BufferedReader. (enthuware.ocpjp.v11.2.1737)

Going back and forth in a stream using BufferedReader. (enthuware.ocpjp.v11.2.1737)

Correctly creating a BufferedReader. (enthuware.ocpjp.v11.2.1392)

Correctly creating a BufferedReader. (enthuware.ocpjp.v11.2.1392)

The standard input stream is not the same as the args[] array. (enthuware.ocpjp.v11.2.3348)

The standard input stream is not the same as the args[] array. (enthuware.ocpjp.v11.2.3348)

Correct statements regarding System.out. (enthuware.ocpjp.v11.2.3346)

Correct statements regarding System.out. (enthuware.ocpjp.v11.2.3346)

Correct statements regarding System.in. (enthuware.ocpjp.v11.2.3345)

Correct statements regarding System.in. (enthuware.ocpjp.v11.2.3345)

Syncing Enthuware QB's v2

Syncing Enthuware QB's v2

close() has an in-built flush() (enthuware.ocpjp.v11.2.1811)

close() has an in-built flush() (enthuware.ocpjp.v11.2.1811)

The differences between Callable and Runnable. (enthuware.ocpjp.v11.2.1136)

The differences between Callable and Runnable. (enthuware.ocpjp.v11.2.1136)

Concurrent reading but sole writing with ReadWriteLock. (enthuware.ocpjp.v11.2.1138)

Concurrent reading but sole writing with ReadWriteLock. (enthuware.ocpjp.v11.2.1138)

What is the functional method in the Callable interface? (enthuware.ocpjp.v11.2.1146)

What is the functional method in the Callable interface? (enthuware.ocpjp.v11.2.1146)

Creating a valid ExecutorService? (enthuware.ocpjp.v11.2.1142)

Creating a valid ExecutorService? (enthuware.ocpjp.v11.2.1142)

Runnable versus Callable. (enthuware.ocpjp.v11.2.3514)

Runnable versus Callable. (enthuware.ocpjp.v11.2.3514)

Default methods in the Map interface that ConcurrentMap uses. (enthuware.ocpjp.v11.2.1101)

Default methods in the Map interface that ConcurrentMap uses. (enthuware.ocpjp.v11.2.1101)

IMPORTANT - How to sync my videos and Enthuware.

IMPORTANT - How to sync my videos and Enthuware.

Locking and unlocking a ReadWriteLock for writing. (enthuware.ocpjp.v11.2.1104)

Locking and unlocking a ReadWriteLock for writing. (enthuware.ocpjp.v11.2.1104)

'var' will not compile if the method has a 'void' return type. (enthuware.ocpjp.v11.2.2009)

'var' will not compile if the method has a 'void' return type. (enthuware.ocpjp.v11.2.2009)

Making a ReentrantLock thread safe. (enthuware.ocpjp.v11.2.3362)

Making a ReentrantLock thread safe. (enthuware.ocpjp.v11.2.3362)

The 3 key parts in the RecursiveAction compute() method. (enthuware.ocpjp.v8.2.1238)

The 3 key parts in the RecursiveAction compute() method. (enthuware.ocpjp.v8.2.1238)

Overriding methods cannot throw new checked exceptions. (enthuware.ocpjp.v11.2.3109)

Overriding methods cannot throw new checked exceptions. (enthuware.ocpjp.v11.2.3109)

What class of objects can be declared by the throws clause? (enthuware.ocpjp.v11.2.954)

What class of objects can be declared by the throws clause? (enthuware.ocpjp.v11.2.954)

Processing the command line arguments properly. (enthuware.ocpjp.v11.2.3576)

Processing the command line arguments properly. (enthuware.ocpjp.v11.2.3576)

Arrays.compare() with 3 different arrays. (enthuware.ocpjp.v11.2.3104)

Arrays.compare() with 3 different arrays. (enthuware.ocpjp.v11.2.3104)

compare() and mismatch() when one array has no elements. (enthuware.ocpjp.v11.2.3103)

compare() and mismatch() when one array has no elements. (enthuware.ocpjp.v11.2.3103)

Explaining Java multi-dimensional arrays using diagrams and code. (enthuware.ocpjp.v11.2.987)

Explaining Java multi-dimensional arrays using diagrams and code. (enthuware.ocpjp.v11.2.987)

Which of the following array declarations are NOT legal? (enthuware.ocpjp.v11.2.969)

Which of the following array declarations are NOT legal? (enthuware.ocpjp.v11.2.969)

A question involving nested for loops, a 2-D array, break and continue. (enthuware.ocpjp.v11.2.3569)

A question involving nested for loops, a 2-D array, break and continue. (enthuware.ocpjp.v11.2.3569)

Which of these statements regarding 'break' and 'continue' are true?(enthuware.ocpjp.v11.2.3533)

Which of these statements regarding 'break' and 'continue' are true?(enthuware.ocpjp.v11.2.3533)

Where can 'break' be validly used? (enthuware.ocpjp.v11.2.1193)

Where can 'break' be validly used? (enthuware.ocpjp.v11.2.1193)

You must initialise a constant in an instance block or every constructor (eware.ocpjp.v11.2.3464)

You must initialise a constant in an instance block or every constructor (eware.ocpjp.v11.2.3464)

Which of the following declarations is incorrect? (enthuware.ocpjp.v11.2.3490)

Which of the following declarations is incorrect? (enthuware.ocpjp.v11.2.3490)

Given a particular object state, how do we change it to a specific state?(enthuware.ocpjp.v11.2.862)

Given a particular object state, how do we change it to a specific state?(enthuware.ocpjp.v11.2.862)

Declaring a reference by initialising it to another reference. (enthuware.ocpjp.v11.2.875)

Declaring a reference by initialising it to another reference. (enthuware.ocpjp.v11.2.875)

How many references and objects in this code? (enthuware.ocpjp.v11.2.3598)

How many references and objects in this code? (enthuware.ocpjp.v11.2.3598)

What is an instance member? (enthuware.ocpjp.v11.2.955)

What is an instance member? (enthuware.ocpjp.v11.2.955)

Moving a file without error, to a destination that may already exist. (enthuware.ocpjp.v8.2.1524)

Moving a file without error, to a destination that may already exist. (enthuware.ocpjp.v8.2.1524)

getName() example. (enthuware.ocpjp.v8.2.1575)

getName() example. (enthuware.ocpjp.v8.2.1575)

resolve() and relativize() example. (enthuware.ocpjp.v8.2.1608)

resolve() and relativize() example. (enthuware.ocpjp.v8.2.1608)

normalize() example. (enthuware.ocpjp.v8.2.1602)

normalize() example. (enthuware.ocpjp.v8.2.1602)

relativize() example. (enthuware.ocpjp.v8.2.1584)

relativize() example. (enthuware.ocpjp.v8.2.1584)

subPath(startIndexIncl, endIndexExcl) example. (enthuware.ocpjp.v8.2.1581)

subPath(startIndexIncl, endIndexExcl) example. (enthuware.ocpjp.v8.2.1581)

getName(int index) example. (enthuware.ocpjp.v8.2.1572)

getName(int index) example. (enthuware.ocpjp.v8.2.1572)

Serialising/deserialising a class with both transient and static fields. (enthuware.ocpjp.v8.2.1701)

Serialising/deserialising a class with both transient and static fields. (enthuware.ocpjp.v8.2.1701)

Local variable type inference declarations - spot the compiler errors. (enthuware.ocpjp.v11.2.3058)

Local variable type inference declarations - spot the compiler errors. (enthuware.ocpjp.v11.2.3058)

Which of the local variable type inference code snippets are valid? (enthuware.ocpjp.v11.2.3064)

Which of the local variable type inference code snippets are valid? (enthuware.ocpjp.v11.2.3064)

Identify the correct/incorrect variable declarations. (enthuware.ocpjp.v11.2.3220)

Identify the correct/incorrect variable declarations. (enthuware.ocpjp.v11.2.3220)

Valid ways to process an ArrayList using local variable type inference. (enthuware.ocpjp.v11.2.3063)

Valid ways to process an ArrayList using local variable type inference. (enthuware.ocpjp.v11.2.3063)

Where you can/cannot have local variable type inference declarations. (enthuware.ocpjp.v11.2.3062)

Where you can/cannot have local variable type inference declarations. (enthuware.ocpjp.v11.2.3062)

Local variable type inference for arrays with initialiser lists. (enthuware.ocpjp.v11.2.3061)

Local variable type inference for arrays with initialiser lists. (enthuware.ocpjp.v11.2.3061)

In fork/join, does swapping compute() and join() matter? (enthuware.ocpjp.v8.2.1258)

In fork/join, does swapping compute() and join() matter? (enthuware.ocpjp.v8.2.1258)

Which statements are correct about the fork/join framework? (enthuware.ocpjp.v8.2.1260)

Which statements are correct about the fork/join framework? (enthuware.ocpjp.v8.2.1260)

Correctly creating an ExecutorService instance? (enthuware.ocpjp.v8.2.1124)

Correctly creating an ExecutorService instance? (enthuware.ocpjp.v8.2.1124)

Local variable type inference on a varargs parameter. (enthuware.ocpjp.v11.2.3060)

Local variable type inference on a varargs parameter. (enthuware.ocpjp.v11.2.3060)

Identifying when you need RecursiveAction (contains code). (enthuware.ocpjp.v8.2.1241)

Identifying when you need RecursiveAction (contains code). (enthuware.ocpjp.v8.2.1241)

Using sort(Comparator) and removeIf on an ArrayList. (enthuware.ocpjp.v11.2.3068)

Using sort(Comparator) and removeIf on an ArrayList. (enthuware.ocpjp.v11.2.3068)

Using Local Variable Type Inference on an ArrayList.(enthuware.ocpjp.v11.2.3072)

Using Local Variable Type Inference on an ArrayList.(enthuware.ocpjp.v11.2.3072)

Local Variable Type Inference Rules.

Local Variable Type Inference Rules.

Use ThreadLocalRandom for random numbers in multi-threaded environments. (enthuware.ocpjp.v8.2.1108)

Use ThreadLocalRandom for random numbers in multi-threaded environments. (enthuware.ocpjp.v8.2.1108)

Locking and unlocking a ReadWriteLock for reading. (enthuware.ocpjp.v8.2.1106)

Locking and unlocking a ReadWriteLock for reading. (enthuware.ocpjp.v8.2.1106)

Locking and unlocking a ReadWriteLock for writing. (enthuware.ocpjp.v8.2.1104)

Locking and unlocking a ReadWriteLock for writing. (enthuware.ocpjp.v8.2.1104)

Default methods in the Map interface that ConcurrentMap uses. (enthuware.ocpjp.v8.2.1101)

Default methods in the Map interface that ConcurrentMap uses. (enthuware.ocpjp.v8.2.1101)

What happens if you call run() and not start()? (enthuware.ocpjp.v8.2.1548)

What happens if you call run() and not start()? (enthuware.ocpjp.v8.2.1548)

Can a Thread start without main()? (enthuware.ocpjp.v8.2.1092)

Can a Thread start without main()? (enthuware.ocpjp.v8.2.1092)

Can two Thread instances block each other using a shared static object? (enthuware.ocpjp.v8.2.1317)

Can two Thread instances block each other using a shared static object? (enthuware.ocpjp.v8.2.1317)

What is the output if the same Runnable is passed to 2 Thread instances? (enthuware.ocpjp.v8.2.1728)

What is the output if the same Runnable is passed to 2 Thread instances? (enthuware.ocpjp.v8.2.1728)

Non-deterministic scheduling behaviour. (enthuware.ocpjp.v8.2.1483)

Non-deterministic scheduling behaviour. (enthuware.ocpjp.v8.2.1483)

How deadlock can occur. (enthuware.ocpjp.v8.2.1482)

How deadlock can occur. (enthuware.ocpjp.v8.2.1482)

Which of the following is the correct way to start a new thread? (enthuware.ocpjp.v8.2.1456)

Which of the following is the correct way to start a new thread? (enthuware.ocpjp.v8.2.1456)

Identify the correct statements regarding synchronization and locks?(enthuware.ocpjp.v8.2.1755)

Identify the correct statements regarding synchronization and locks?(enthuware.ocpjp.v8.2.1755)

What happens if you call run() directly? (enthuware.ocpjp.v8.2.1475)

What happens if you call run() directly? (enthuware.ocpjp.v8.2.1475)

Using the default locale resource bundle, as requested one not present.(enthuware.ocpjp.v8.2.1152)

Using the default locale resource bundle, as requested one not present.(enthuware.ocpjp.v8.2.1152)

Given 2 related properties files, what keys are returned? (enthuware.ocpjp.v8.2.1768)

Given 2 related properties files, what keys are returned? (enthuware.ocpjp.v8.2.1768)

Java Resource Bundle Searching Tutorial

Java Resource Bundle Searching Tutorial

A Daylight Savings Time question. (enthuware.ocpjp.v8.2.1749)

A Daylight Savings Time question. (enthuware.ocpjp.v8.2.1749)

Creating a LocalDateTime from an Instant. (enthuware.ocpjp.v8.2.1760)

Creating a LocalDateTime from an Instant. (enthuware.ocpjp.v8.2.1760)

A Java file is not a valid resource bundle, it is the class file. (enthuware.ocpjp.v8.2.1201)

A Java file is not a valid resource bundle, it is the class file. (enthuware.ocpjp.v8.2.1201)

Contrasting Duration and Period output, including if they are both 0. (enthuware.ocpjp.v8.2.1743)

Contrasting Duration and Period output, including if they are both 0. (enthuware.ocpjp.v8.2.1743)

The search order for Properties files. (enthuware.ocpjp.v8.2.1165)

The search order for Properties files. (enthuware.ocpjp.v8.2.1165)

Calculating Duration.between() based on 2 ZonedDateTime ojects. (enthuware.ocpjp.v8.2.2018)

Calculating Duration.between() based on 2 ZonedDateTime ojects. (enthuware.ocpjp.v8.2.2018)

Examining the Duration representation in toString() (enthuware.ocpjp.v8.2.1741)

Examining the Duration representation in toString() (enthuware.ocpjp.v8.2.1741)

What are the terminal operations? (enthuware.ocpjp.v8.2.1841)

What are the terminal operations? (enthuware.ocpjp.v8.2.1841)

Short-circuiting terminal operations question (enthuware.ocpjp.v8.2.1840)

Short-circuiting terminal operations question (enthuware.ocpjp.v8.2.1840)

What happens when you try to sum() or average() an empty stream? (enthuware.ocpjp.v8.2.2024)

What happens when you try to sum() or average() an empty stream? (enthuware.ocpjp.v8.2.2024)

Relating anonymous inner classes to method references and lambdas (enthuware.ocpjp.v8.2.1858)

Relating anonymous inner classes to method references and lambdas (enthuware.ocpjp.v8.2.1858)

How does Optional.ofNullable() work? (enthuware.ocpjp.v8.2.1849)

How does Optional.ofNullable() work? (enthuware.ocpjp.v8.2.1849)

What happens if you do ".average().getAsDouble()" on an empty stream? (enthuware.ocpjp.v8.2.1810)

What happens if you do ".average().getAsDouble()" on an empty stream? (enthuware.ocpjp.v8.2.1810)

How to handle duplicate keys in Collectors.toMap() (enthuware.ocpjp.v8.2.1847)

How to handle duplicate keys in Collectors.toMap() (enthuware.ocpjp.v8.2.1847)

BiConsumer, collect() and Collectors.toMap() question (enthuware.ocpjp.v8.2.1846)

BiConsumer, collect() and Collectors.toMap() question (enthuware.ocpjp.v8.2.1846)

Calling methods on the immutable Optional class. (enthuware.ocpjp.v8.2.1826)

Calling methods on the immutable Optional class. (enthuware.ocpjp.v8.2.1826)

FIltering a list of books by price and calculating the average price. (enthuware.ocpjp.v8.2.1809)

FIltering a list of books by price and calculating the average price. (enthuware.ocpjp.v8.2.1809)

Which methods from the Stream interface are used in reduction? (enthuware.ocpjp.v8.2.1738)

Which methods from the Stream interface are used in reduction? (enthuware.ocpjp.v8.2.1738)

Understanding DoubleSupplier implemented using a method reference. (enthuware.ocpjp.v8.2.1813)

Understanding DoubleSupplier implemented using a method reference. (enthuware.ocpjp.v8.2.1813)

Selecting the correct functional interface for a lambda expression (enthuware.ocpjp.v8.2.1807)

Selecting the correct functional interface for a lambda expression (enthuware.ocpjp.v8.2.1807)

Collectors.groupingBy() using a "downstream collector" (enthuware.ocpjp.v8.2.1804)

Collectors.groupingBy() using a "downstream collector" (enthuware.ocpjp.v8.2.1804)

Finding the largest number in a stream. (enthuware.ocpjp.v8.2.1793)

Finding the largest number in a stream. (enthuware.ocpjp.v8.2.1793)

Explaining flatMap with a diagram (enthuware.ocpjp.v8.2.1787)

Explaining flatMap with a diagram (enthuware.ocpjp.v8.2.1787)

Sorting a stream of Item objects by their names. (enthuware.ocpjp.v8.2.1762)

Sorting a stream of Item objects by their names. (enthuware.ocpjp.v8.2.1762)

IntFunction is suitable for processing large numbers of int primitives (enthuware.ocpjp.v8.2.1876)

IntFunction is suitable for processing large numbers of int primitives (enthuware.ocpjp.v8.2.1876)

flatMap() example with diagram and code (enthuware.ocpjp.v8.2.1886)

flatMap() example with diagram and code (enthuware.ocpjp.v8.2.1886)

Both Iterable and Stream define a forEach(). (enthuware.ocpjp.v8.2.1801)

Both Iterable and Stream define a forEach(). (enthuware.ocpjp.v8.2.1801)

Tutorial explaining the various types of Method Reference.

Tutorial explaining the various types of Method Reference.

The average() method in IntStream returns an OptionalDouble. (enthuware.ocpjp.v8.2.2023)

The average() method in IntStream returns an OptionalDouble. (enthuware.ocpjp.v8.2.2023)

What happens if your Predicate has no generic type? (enthuware.ocpjp.v8.2.1784)

What happens if your Predicate has no generic type? (enthuware.ocpjp.v8.2.1784)

Deque operations question in Java. (enthuware.ocpjp.v8.2.1148)

Deque operations question in Java. (enthuware.ocpjp.v8.2.1148)

Selecting the correct "type" in a Collections drag-and-drop question. (enthuware.ocpjp.v8.2.1309)

Selecting the correct "type" in a Collections drag-and-drop question. (enthuware.ocpjp.v8.2.1309)

What order (if any) will enums have in a HashSet in Java? (enthuware.ocpjp.v8.2.1513)

What order (if any) will enums have in a HashSet in Java? (enthuware.ocpjp.v8.2.1513)

Defining a Generic class in Java. (enthuware.ocpjp.v8.2.1110)

Defining a Generic class in Java. (enthuware.ocpjp.v8.2.1110)

HashSet properties in Java. (enthuware.ocpjp.v8.2.1585)

HashSet properties in Java. (enthuware.ocpjp.v8.2.1585)

Overriding toString() (enthuware.ocpjp.v8.2.1244)

Overriding toString() (enthuware.ocpjp.v8.2.1244)

An ambiguous method call. (enthuware.ocpjp.v8.2.1593)

An ambiguous method call. (enthuware.ocpjp.v8.2.1593)

Deque operations in Java. (enthuware.ocpjp.v8.2.1131)

Deque operations in Java. (enthuware.ocpjp.v8.2.1131)

Spot the interface that can be used by lambda expressions. (enthuware.ocpjp.v8.2.1806)

Spot the interface that can be used by lambda expressions. (enthuware.ocpjp.v8.2.1806)

What two OO techniques enable you to aggregate functionality? (enthuware.ocpjp.v8.2.1088)

What two OO techniques enable you to aggregate functionality? (enthuware.ocpjp.v8.2.1088)

equals() and hashCode() contract (enthuware.ocpjp.v8.2.1459)

equals() and hashCode() contract (enthuware.ocpjp.v8.2.1459)

A Generic type which contains a parameterized method (enthuware.ocpjp.v8.2.1825)

A Generic type which contains a parameterized method (enthuware.ocpjp.v8.2.1825)