Java 8 Features Tutorial for Beginners

Java 8 Features Tutorial Beginners

In this tutorial we will understand the Java 8 features. We will understand and implement the below topics.

java8

1. Functional Interface And Default Methods In Java 8 –
In this tutorial we will understand below topics-
– What is the use of Functional Interface in Java 8?
– When to use Functional Interface in Java 8?
– What is the need of static method in Interface ?
– What is the need of having a default method in an interface ?
PART 1 : FUNCTIONAL INTERFACE AND DEFAULT METHODS IN JAVA 8

2. Lambda Expression in Java 8
In this tutorial we will understand below topics 
– What is Lambda Expression in Java 8?
– Lambda Expression with Parameters
PART 2 – LAMBDA EXPRESSION IN JAVA 8

3. Method Reference in Java 8
In this tutorial we will understand below topics
 – What is Method Reference in Java 8?
 – Types of Method References in Java 8?
PART 3 – METHOD REFERENCE IN JAVA 8

4. Optional in Java 8
In this tutorial we will understand below topics – Why to use Optional in Java 8?
 – What is Optional in Java 8?
 – Different ways to create Optional?
 – What is the Difference in between Optional.of() and Optional.ofNullable()?
 – Optional.of() vs Optional.ofNullable() ?
 – Methods available in Optional
PART 4 – OPTIONAL IN JAVA 8

5. filter(), findAny() in Java 8
In this tutorial we will understand below topics – How to use filter(), findAny() in Java 8
 – filter – Under the hood
PART 5 – FILTER(), FINDANY() IN JAVA 8

6. map() vs flatMap() in Java 8
In this tutorial we will understand below topics – map() in Java 8
 – What is the use of flatMap() in Java 8?
 – map() vs flatMap()
 – flatMap() in Java 8
PART 6 – MAP() VS FLATMAP() IN JAVA 8

7. Stream.peek() in Java 8
In this tutorial we will understand below topics – How Stream.peek() method is different from other methods?
 – What is the use of peek() method in Java 8?
PART 7 – STREAM.PEEK() IN JAVA 8

8. Short circuiting operations of Streams in Java 8
In this tutorial we will understand below topics – Short circuiting operations in Java 8
 – Different Short circuiting operations in Java 8
 – limit() in Java 8
 – findFirst(), findAny() in Java 8
 – allMatch() anyMatch() noneMatch() in Java 8
PART 8 – SHORT CIRCUITING OPERATIONS OF STREAMS IN JAVA 8

9. Advance Collectors in Java 8
In this tutorial we will understand below topics – joining() in Java 8
 – summaryStatistics() in Java 8
 – partitioningBy() in Java 8
 – groupingBy() in Java 8
 – mappingBy() in Java 8
PART 9 – ADVANCE COLLECTORS IN JAVA 8

10. Intermediate and Terminal Operations of Stream in Java 8
In this tutorial we will understand below topics – What is Intermediate and Terminal Operations of Stream in Java 8?
 – Intermediate Operations in Java 8
 – Terminal Operations in Java 8
 – Difference between Intermediate and Terminal Operations in Java 8
 – Intermediate vs Terminal Operations in Java 8
PART 10 – INTERMEDIATE AND TERMINAL OPERATIONS OF STREAM IN JAVA 8

Source Code
Download source code of Java 8 features from below git repository :
java-8-features

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