array_q1.java

package arrays;
//question: Given an array of students, if the marks of amy student is less than 35 print its roll number.
import java.util.Scanner;
public class array_q1 {
public static void main(String[] args) {
    System.out.println("Enter the number of students: ");
    Scanner sc = new Scanner(System.in);
    int a= sc.nextInt();
    int [] arr= new int[a];
    System.out.println("Enter marks of the students: ");
    for(int i=0; i<a; i++){
        arr[i]=sc.nextInt();
    }
    System.out.println("The roll number of the students whose number is less than 35 are: ");
    for(int i=0; i<a; i++){
       if(arr[i]<35){
         System.out.print(i+" ");   // Here the index of the array elements are taken as roll number of the students.
       } 
    }
}
    
}