If else Statements in Java

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1. Use if to specify a block of code to be executed, if a specified condition is true
2. Use else to specify a block of code to be executed, if the same condition is false
3. Use else if to specify a new condition to test, if the first condition is false

Elaborate with a simple example :

            

import java.util.*;
public class MINtech {
    public static void main(String args[]){ 

        Scanner sc = new Scanner(System.in); 
        System.out.println("Marks should range from 0 to 100 only "); 
        int marks = sc.nextInt(); 
         
        if (marks==100){ 
            System.out.println("Very good + new bike"); 
        } 
        else if(marks<100 && marks>= 90 ){ 
             System.out.println("good + new cycle "); 
        } 
        else if (marks<90 && marks>= 80){ 
             System.out.println("good"); 
        } 
        else if (marks<80 && marks>= 70){ 
             System.out.println("well"); 
        } 
        else if (marks<70 && marks>= 60){ 
             System.out.println("baad"); 
        } 
        else if (marks<60 && marks>= 50){ 
             System.out.println("pooor"); 
        } 
        else if (marks<50 && marks>= 0){ 
             System.out.println("Get out from my mother land "); 
        }else{ 
            System.out.println("Invalid marks"); 
        } 
    } 
}
        

OUTPUT

Marks should range from 0 to 100 only 
99
good + new cycle 


Marks should range from 0 to 100 only 
50
pooor

Marks should range from 0 to 100 only 
10
Get out from my mother land 


Marks should range from 0 to 100 only 
43567
Invalid marks