Page 356 - ComputerScience_Class_11

5 int i, j;
6 int marks[ ][ ]={{67,87,89,79},{99,34,56,87},{45,87,69,80},{67,89,78,98}};

7 System.out.println("Number of marks: "+ (marks.length*marks.length));
8 for(i=0; i<4; i++)
9 {
10 for(j=0; j<4; j++)
11 {
12 System.out.print(marks[i][j]+"\t");
13 }
14 System.out.println();

15 }
16 }
17 }
The output of the preceding program is as follows:

BlueJ: Terminal Window - Java
Options

Number of marks: 16
67 87 89 79
99 34 56 87
45 87 69 80
67 89 78 98

Dynamic Way: Using Scanner Class
In this method, the Scanner class is used to take in input from the user.

Program 18 Write a Java program to create a two-dimensional array of size 2 × 3 and print the cube of all
the even numbers in the array.
1 import java.util.*;

2 class CubeOfEvenNumbers
3 {

4
public static void main(String args[])
5 {
6 Scanner sc= new Scanner(System.in);

7 int ar[ ][ ]=new int[2][3];
8 int i, j;

9 for (i=0; i<2; i++)
10 {

354 Touchpad Computer Science (Ver. 3.0)-XI