What is a Switch Statement? java switch statement in Java is used to execute one block of code among multiple alternatives based on the value of a variable. It is an alternative to using multiple if-else conditions. public class Switch1 { public static void main(String[] args) { int x=3; switch(x) { case 0: System.out.println(“0”); break; […]

Loop are use to print the block of code data again by again.In Java Consist of 3 Loops. 1.for loop 2.while loop 3.do while loop for loop Public class Loop1{ public static void main(String[] args) { for(int x=1; x<10; x++) { System.out.println(x); } } } Output 1 2 3 4 5 6 7 8 9

There are 4 Operators in Java Programming Arithematic operators Logical operators Assignment operators Relational operators Incremental, Decremental operators Arithematic Operators [su_table] + Addition – Subtraction * Multiplication / Division % Modulus [/su_table] Example 1 public class Arithematic { public static void main(String[] args) { int x; int y; x =50; y=6; System.out.println(x + y); System.out.println(x

Lets write the Hello world Programming in Java Java Example1 public class Example1 { public static void main(String[] args) { System.out.println(“Hello World”); } } Output Hello World How to run the Programming  First Step have to Compile the Program use Javac  command Javac Example1.java Javac  Command  and Class name After complie the program run the