rowlength.java

//this program calculates length of earch row in a 2d array
public class rowlength{
 public static void main(String[] args) {

 // create a 2d array
 int[][] a = {
 {1, 2, 3}, 
 {4, 5, 6, 9}, 
 {7}, 
 };
 
 // calculate the length of each row
 System.out.println("Length of row 1: " + a[0].length);
 System.out.println("Length of row 2: " + a[1].length);
 System.out.println("Length of row 3: " + a[2].length);
 }
}