Introduction

• Java 8 new features
• Lambda Expressions
• Block Lambda Expressions
• Method and Constructor Reference
• Optional in Java 8

Interface in Java 8

• Java 8 Interfaces new features
• Default Interface Method in Java 8
• Static Interface Method in Java 8
• Java 8 Interface vs Abstract class

Functional Interface

• What is functional interface ?
• Predicate
• Predicate vs Function in Java 8
• BiPredicate
• Consumer
• BiConsumer
• Supplier
• BiFunction
• UnaryOperator

Stream Operations

• Streams
• Stream Operations with examples
• Parallel Streams
• IntStream Operations with examples
• Stream filter()
• Stream map()
• Stream reduce()
• Stream min(), max() operations
• Convert Stream to List
• Convert Stream to Array
• Convert Stream to String
• Convert Stream to Map
• Convert Stream to Set
• Print Stream in Java 8

String Operations

• String join()

Map Operations

• compute()
• merge()
• computeIfAbsent()
• computeIfPresent()
• Sort a Map in Java 8
• Java 8 Stream flatMap

Looping

• Java 8 For loop

Collections Sorting

• Sort List using Stream or Lambda expression
• Sort map in Java 8
• Sort List using sort() method

Java 8 Date Time

• Java 8 Date Time api
• Convert String to LocalDate and LocalDateTime
• Convert Date to LocalDate and vice versa
• Convert LocalDate to SQL Date and vice versa
• How to find date time differences in Java 8 ?

Interview Questions

• Java 8 Interview Questions – Part 1
• Java 8 Interview Questions – Part 2

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