Page 227 - ComputerScience_Class_11
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Program 12 Write a Java program to print the following using switch case:
1. 1 2. A
1 2 A B
1 2 3 A B C
1 2 3 4 A B C D
1 import java.util.*;
2 class nestedloop1 {
3 public static void main(String args[]) {
4 Scanner sc= new Scanner(System.in);
5 int ch, n, i, j;
6 double s=0, a;
7 System.out.println("1. Pattern 1");
8 System.out.println("2. Pattern 2 ");
9 System.out.println("Enter your choice ");
10 ch=sc.nextInt();
11 switch(ch) {
12 case 1:
13 for(i=1; i<=4; i++) {
14 for(j=1; j<=i; j++) {
15 System.out.print(j+ " ");
16 }
17 System.out.println();
18 }
19 break;
20 case 2:
21 for(i=1; i<=5; i++) {
22 for(j=1; j<=i; j++) {
23 System.out.print((char)(64+j)+" ");
24 }
25 System.out.println();
26 }
27 break;
28 default: System.out.println("Wrong Choice");
29 }
30 }
31 }
Statements and Scope 225
