Page 514 - Computer science 868 Class 12
P. 514
19 else
20 {
21 st[++r] = v; // insert from rear end
22 }
23 }
24 int popvalue()
25 {
26 if (f == r) // underflow condition
27 {
28 return -9999;
29 }
30 else
31 { f++; // deletion from front end
32 return st[f];
33 }
34 }
35 void disp( )
36 {
37 for (int i = f+1;i<=r; i ++)
38 System.out.print(st[i]+" ");
39 }
40 public static void main(int s)
41 { Repeat ob=new Repeat(s);
42 Scanner sc= new Scanner(System.in);
43 int ch,n;
44 do //menu
45 { System.out.println("1.Insert \n 2.Delete \n 3. Display \n Enter choice \n");
46 ch=sc.nextInt();
47 switch(ch)
48 {case 1:
49 System.out.println("Enter number to insert");
50 n=sc.nextInt();
51 ob.pushvalue(n);
52 break;
512512 Touchpad Computer Science-XII

