Array_Loops

import java.util.Scanner;

public class LaunchArr1 {

	public static void main(String[] args) {
		{
			Scanner scan= new Scanner(System.in);
			
			int [][]arr = new int [3][4];
			
			for(int i=0; i<arr.length; i++)
			{
				for(int j=0; j<arr[i].length; j++)
					System.out.println("Enter marks of Class " + i + " Student " + j);
					arr[i][j]=scan.nextInt();
			}
			
		}
	}
}
// to be updated
import java.util.Scanner;

public class LaunchArr1 {

	public static void main(String[] args) {
		{
			Scanner scan= new Scanner(System.in);
			
			int[][]arr=new int [3][4];
			
			for(int i=0; i<arr.length; i++)
			{
				for(int j=0; j<arr[i].length; j++)
					System.out.println("Enter marks of Class " + i + " Student " + j);
					arr[i][j]=scan.nextInt();		
			}
			
		}
			System.out.println("marks of the Students are");
			for(int i=0; i<arr.length; i++)
			{
				for(int j=0; j<arr[i].length; j++)
				{
			System.out.println(arr[i][j]+ " ");
}
}
}
}