package com.kartik;
import java.util.Stack;
public class StackReversalString
{
public static void stackReversal(Stack<String> s)
{
if(s.size() == 0) return;
String n = getLast(s);
stackReversal(s);
s.push(n);
while(s.size() > 0)
{
System.out.println(s.pop());
}
}
public static String getLast(Stack<String> s)
{
String a = s.pop();
if(s.size() == 0)
{
return a;
}
else
{
String k = getLast(s);
s.push(a);
return k;
}
}
public static void main(String[] args)
{
Stack <String> stack = new Stack <String> ();
stack.push("Kartik");
stack.push("Chandra");
stack.push("Mandal");
stack.push("Java");
stack.push("J2EE");
stack.push("Soap");
stack.push("Rest");
stackReversal(stack);
}
}
Out Put :
Rest
Soap
J2EE
Java
Mandal
Chandra
Kartik
Below Code For Integer Only:
package com.kartik;
import java.util.Stack;
public class StackReversalInteger
{
public static void stackReversal(Stack<Integer> s)
{
if(s.size() == 0) return;
int n = getLast(s);
stackReversal(s);
s.push(n);
while(s.size() > 0)
{
System.out.println(s.pop());
}
}
public static int getLast(Stack<Integer> s)
{
int a = s.pop();
if(s.size() == 0)
{
return a;
}
else
{
int k = getLast(s);
s.push(a);
return k;
}
}
public static void main(String[] args)
{
Stack <Integer> stack = new Stack <Integer> ();
stack.push(1);
stack.push(2);
stack.push(3);
stack.push(4);
stack.push(9);
stack.push(5);
stack.push(8);
stackReversal(stack);
/*while(stack.size() > 0)
{
System.out.println(stack.pop());
}*/
}
}
Out Put:
8
5
9
4
3
2
1
import java.util.Stack;
public class StackReversalString
{
public static void stackReversal(Stack<String> s)
{
if(s.size() == 0) return;
String n = getLast(s);
stackReversal(s);
s.push(n);
while(s.size() > 0)
{
System.out.println(s.pop());
}
}
public static String getLast(Stack<String> s)
{
String a = s.pop();
if(s.size() == 0)
{
return a;
}
else
{
String k = getLast(s);
s.push(a);
return k;
}
}
public static void main(String[] args)
{
Stack <String> stack = new Stack <String> ();
stack.push("Kartik");
stack.push("Chandra");
stack.push("Mandal");
stack.push("Java");
stack.push("J2EE");
stack.push("Soap");
stack.push("Rest");
stackReversal(stack);
}
}
Out Put :
Rest
Soap
J2EE
Java
Mandal
Chandra
Kartik
Below Code For Integer Only:
package com.kartik;
import java.util.Stack;
public class StackReversalInteger
{
public static void stackReversal(Stack<Integer> s)
{
if(s.size() == 0) return;
int n = getLast(s);
stackReversal(s);
s.push(n);
while(s.size() > 0)
{
System.out.println(s.pop());
}
}
public static int getLast(Stack<Integer> s)
{
int a = s.pop();
if(s.size() == 0)
{
return a;
}
else
{
int k = getLast(s);
s.push(a);
return k;
}
}
public static void main(String[] args)
{
Stack <Integer> stack = new Stack <Integer> ();
stack.push(1);
stack.push(2);
stack.push(3);
stack.push(4);
stack.push(9);
stack.push(5);
stack.push(8);
stackReversal(stack);
/*while(stack.size() > 0)
{
System.out.println(stack.pop());
}*/
}
}
Out Put:
8
5
9
4
3
2
1