♣♣♣ Write a program to check all the math class functions. ♣♣♣
import java.io.*;
import
java.util.*;
import java.lang.*;
class pro9
{
public static
void main(String args[]) throws IOException
{
InputStreamReader
a =new InputStreamReader(System.in);
BufferedReader
b =new BufferedReader(a);
Stack
st=new Stack();
char
ans='y';
while(ans=='y' || ans=='Y')
{
System.out.println("\n\tMENU
FOR STACK OPERATION");
System.out.println("\n\t1.\t
PUSH");
System.out.println("\n\t2.\t
POP");
System.out.println("\n\t3.\t
PEEK");
System.out.println("\n\t4.\t
SEARCH");
System.out.println("\n\t5.\t
DISPLAY");
System.out.println("\n\t6.\t
EXIT");
System.out.print("\n\nEnter
your choice : ");
int
ch=Integer.parseInt(b.readLine());
switch(ch)
{
case
1:
System.out.print("Enter
the total number of element to be push : ");
int n=Integer.parseInt(b.readLine());
for(int i=1;i<=n;i++)
{
System.out.print("\n\tEnter
the "+i+" Element : ");
int
val=Integer.parseInt(b.readLine());
st.push(new
Integer(val));
}
break;
case
2:
try
{
System.out.print("\n\tElement
poped is "+st.pop());
}
catch(Exception e)
{
System.out.println("\n\tStack
is underflow........");
}
break;
case
3:
try
{
System.out.println("\n\tElement on the
top of the Stack is "+(Integer)st.peek());
}
catch(Exception
e)
{
System.out.print("\n\tStack
is Empty");
}
break;
case
4:
System.out.print("\n\tEnter
the element to be searched : ");
int
num=Integer.parseInt(b.readLine());
int
sr=st.search(new Integer(num));
if(sr==-1)
System.out.println("\nElemet
does not found in the stack");
else
System.out.println("\nElement
found in the Stack at "+sr+"position");
break;
case
5:
System.out.println("Elemets
of the stack are ");
System.out.println(st);
break;
case
6:
System.exit(0);
default:
System.out.print("Invalid
Choice.......Please enter the correct choice");
}
System.out.print("Do
you want to continue (Y/N) : ");
String
s=b.readLine();
ans=s.charAt(0);
}
}
}
OUTPUT :-
MENU FOR
STACK OPERATION
1.
PUSH
2.
POP
3.
PEEK
4.
SEARCH
5.
DISPLAY
6.
EXIT
Enter your choice : 1
Enter the total number of
element to be push : 2
Enter
the 1 Element : 23
Enter
the 2 Element : 45
Do you want to continue(Y/N) : y
MENU FOR STACK OPERATION
1.
PUSH
2.
POP
3.
PEEK
4.
SEARCH
5.
DISPLAY
6.
EXIT
Enter your choice : 4
Enter the total element to be searched
: 55
Element does not found in the
stack
Do you want to continue(Y/N) : y
MENU FOR STACK OPERATION
1.
PUSH
2.
POP
3.
PEEK
4.
SEARCH
5.
DISPLAY
6.
EXIT
Enter your choice :5
Elements
of the stack are
[23, 45]
Do you want to continue(Y/N) : n
