Java Tutorial

Overview of Java

• Introduction to Java
• History of Java
• Difference between C++ and Java
• Download and Install Java
• Difference between JDK, JRE and JVM

OOPS in Java

• Java OOPS
• Classes and Objects
• Abstraction in Java
• Polymorphism in Java
• Encapsulation in Java
• Inheritance in Java
• Interfaces in Java

Abstraction in Java

• Abstract class vs interface

Polymorphism in Java

• Polymorphism in Java
• super keyword
• instanceof operator

Strings in Java

• Java Strings
• Why Strings are immutable in Java?
• StringBuffer in Java
• StringBuilder in Java
• String vs StringBuilder vs StringBuffer in Java
• String Tokenizer in Java
• StringJoiner in Java

Arrays in Java

• Java Array
• Multi-dimensional Arrays in Java

Interfaces in Java

• Interface in Java
• Functional Interface

Collection Framework

• Java Collection Framework
• Collection Interface in Java
• List Interface in Java
• Set Interface in Java
• Map Interface in Java
• Queue Interface in Java
• Iterator in Java
• Comparator in Java
• Comparator vs Comparable

List

• ArrayList in Java
• LinkedList in java
• Vector Class in Java
• Stack Class in Java
• Abstract List in Java

Queue

• AbstractQueue in Java
• ArrayBlockingQueue in Java
• ConcurrentLinkedQueue in Java
• LinkedBlockingQueue in Java
• LinkedTransferQueue in Java
• PriorityBlockingQueue in Java
• Deque in Java
• ArrayDeque in Java
• ConcurrentLinkedDeque in Java
• LinkedBlockingDeque in Java
• BlockingQueue in Java

Map

• EnumMap in Java
• HashMap in Java
• HashMap Internal Working
• WeakHashMap in Java
• LinkedHashMap in Java
• IdentityHashMap in Java
• ConcurrentHashMap in Java
• Dictionary Class in Java

Multithreading in Java

• What is Multithreading in Java?
• Create Threads
• Lifecycle of a Thread
• Main Thread
• Thread Class in Java
• Runnable Interface
• run() and start() method in threads
• Thread sleep in Java

Java 8 Features

• Functional Interfaces
• Lambda Expression
• Streams in Java
• Optional Class
• Default Methods
• New Date-Time API
• StringJoiner in Java

Java 11 Features

• Java 11 / JDK 11

Java 17 Features

• Java 17 / JDK 17

Miscellaneous

String Methods

• java substring

Java Conversions

• int to string java
• string to int java
• char to int java
• arraylist to array in java

Java Programs

• Fibonacci Series in Java
• Armstrong Number in Java
• Palindrome in Java

Java Keywords

• instanceof operator
• super keyword
• final keyword

Operators in Java

• Arrow Operator in Java

Additional Topics

• Wrapper class in Java