Table of Contents

Java Basics

• Introduction to Java
• Java Development Kit (JDK) and Java Runtime Environment (JRE)
• Java Environment Setup
• Introduction to JVM
• Garbage collection in Java
• Structure of Java program
• Java Keywords
• Java Operators
• Java data types
• Java Variables
• Access specifiers in Java

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Object Oriented Programming (OOPs)

• Oops Concepts in Java
• Class and Object in Java
• Ways to Create an Object in Java
• Inheritance in Java
• Encapsulation in Java
• Polymorphism in Java
• Abstraction in Java
• Java Method Overriding
• Java Method Overloading
• Association, Composition and Aggregation in Java
• Java Static Keyword
• Java Final Keyword
• Java Super-keyword
• Abstract Class in Java
• Interface in Java
• Immutable Class in Java

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Java String Handling

• String Initialization in Java
• Why String Is Immutable in Java
• String Constant Pool in Java
• Immutable Class in Java
• StringBuffer Class in Java
• StringBuilder Class in Java
• String vs StringBuffer vs StringBuilder in Java

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Exception Handling

• exception-handling-in-java
• exception-vs-error-in-java
• checked-vs-unchecked-exception
• try-catch-finally-in-java
• user-defined-exceptions-in-java
• final-vs-finally-vs-finalize-in-java
• return-statement-in-try-catch-finally
• throw-keyword-in-java
• throw-vs-throws-in-java
• multiple-catch-blocks-in-java
• try-block-without-catch-block
• different-ways-to-print-exception-message

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Wrapper Classes

• Wrapper classes in Java

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Object Class

• object-class-in-java

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Collections Framework

• Java Collections Framework
• java-list-interface
• java-set-interface
• java-map-interface

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Other Core Concepts

• inner-classes-in-java

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Enum in Java

• Enum in Java
• isEnumMethod() in Java