» » If Else Statment in Java

If statement :
  • if statement in java is decision making statement in java.
  • if statement will have a condition and if that condition is true then the corresponding block will be executed.
  • if(condition){ //  }
If condition syntax:



  1. if(condition){
  2. //  statements
  3. }
 Sample program on if statement:


  1. package com.instanceofjava; 
  2. import java.lang.*; 
  3.  
  4. public class ifExample { 
  5.  
  6. public static void main(String[] args) {
  7.  
  8. if(true){
  9.  
  10.  System.out.println("if condition executed");
  11.  
  12. }
  13.  
  14. }

Output:
  1. if condition executed

Java program to compare two numbers in java


  1. package com.instanceofjava; 
  2. import java.lang.*; 
  3.  
  4. public class simpleIfExample { 
  5.   
  6. public static void main(String[] args) {
  7.  
  8.   int x= 37;
  9.   int y= 37;
  10.                
  11. if(x==y)
  12.     System.out.println(x+ " is equal to " + y);
  13. }
  14.  
  15. if(x>y){
  16.     System.out.println(x+ " is greater than " + y);
  17. }
  18.  
  19. if(x<y){
  20.     System.out.println(x+ " is less than " + y);
  21. }
  22. }

Output:
  1. 37 is equal to 37



 Else Statement:

  •  if(condition){ //} else { // }

Java program to compare two numbers in java using if else


  1. package com.instanceofjava; 
  2. import java.lang.*; 
  3.  
  4. public class ifElseExample { 
  5.   
  6. public static void main(String[] args) {
  7.  
  8.   int x= 37;
  9.   int y= 37;
  10.                
  11. if(x==y){
  12.     System.out.println(x+ " is equal to " + y);
  13. }else if(x>y){
  14.     System.out.println(x+ " is greater than " + y);
  15. }else{
  16.     System.out.println(x+ " is less than " + y);
  17. }
  18. }



Output:
  1. 37 is equal to 37


Java program to find leap year or not in java using if else


  1. package com.instanceofjava; 
  2. import java.lang.*; 
  3.  
  4. public class ifElseExample { 
  5.   
  6. public static void main(String[] args) {
  7.  
  8.     int year = 2015;                      
  9.   //if year is divisible by 4, it is a leap year

  10.  if((year % 400 == 0) || ((year % 4 == 0) && (year % 100 != 0)))
  11.  System.out.println("Year " + year + " is a leap year");
  12.  else
  13.       System.out.println( year + " is not a leap year");
  14.   
  15.  
  16. }

Output:
  1. 2015 is not a leap year


Java program to find even or odd using if else statment


  1. package com.instanceofjava; 
  2. import java.lang.*; 
  3.  
  4. public class ifElseEvenOddExample { 
  5.  
  6. public static void main(String[] args) {
  7.   
  8. int a=10;
  9. if((a%2)==0){
  10.  
  11.  System.out.println(a+"is even number");
  12.  
  13. }else{ 

  14.     System.out.println(a+"is odd number");
  15.  
  16. }
  17.  
  18. }

Output:
  1. 10 is even number

Instance Of Java

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