program for do-while loop in java.

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import java.util.*;
public class marks {
    public static void main(String[] args) {
        int n;
        int mark;
        do{
        Scanner sc=new Scanner(System.in);
        System.out.println("enter a number 1 or 0=");
        n=sc.nextInt();
            System.out.println("enter the marks of student out of 100=");
            mark=sc.nextInt();
            if(mark>=90){
                System.out.println("this is good.");
            }else if(mark>=89 && mark<=60){
                System.out.println("this is also good.");
            }else{
                System.out.println("this is good as well as.");
            }
        }while(n!=0);
    }
}
■》 Output->

enter a number 1 or 0= 1
enter the marks of student out of 100=90

this is good.

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