Page 516 - Computer science 868 Class 12
P. 516
6 { size=max;
7 Q=new String[size];
8 start=end=0;
9 }
10 void pushAdd(String n)
11 {
12 if(end<size) // inserting data
13 { Q[end]=n;
14 ++end;}
15 else // overflow case
16 System.out.println("NO SPACE");
17 }
18 String popadd() {
19 if(start <end ) // removing from front
20 { start++;
21 return Q[start];
22 }
23 else
24 return "?????";
25 }
26 void show()
27 { for(int i==start+1;i<=end;i++) // displaying queue content
28 { System.out.print(Q[i]+" ");}
29 }
30 public static void main(int s)
31 { Diary ob=new Diary(s);
32 Scanner sc= new Scanner(System.in);
33 int ch;
34 String n;
35 do //menu
36 { System.out.println("1.Insert \n 2.Delete \n 3.Display \n enter choice");
37 ch=sc.nextInt();
38 switch(ch)
39 {case 1:
514514 Touchpad Computer Science-XII

