Java

A simple hello world program in Java

public class HelloWorld {
	public static void main(String[] args) {
		System.out.println("Hello World!");
	}
}

Java Concepts

• Fundamentals
• JVM
• Conditional Statements
• Control Statements
• Variables
• Interpreter and Compiler
• Objects and Classes
• Static
• Final
• OOPS
• Inheritance
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• Abstraction
• Interface
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• Package
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• Collections Framework
• Collection
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• Java 8
• Java Versions