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Added algorithm to reverse a stack using recursion

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This commit is contained in:
Nimit Arora
2017-10-01 12:45:13 +05:30
parent dad4c69c98
commit 727769c06f
1 changed files with 3 additions and 3 deletions
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6
Misc/ReverseStackUsingRecursion.java
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@ -1,4 +1,4 @@
package stacks_and_queues; /* Program to reverse a Stack using Recursion*/
import java.util.Stack; import java.util.Stack;
@ -38,7 +38,7 @@ public class ReverseStackUsingRecursion {
//Function Used to reverse Stack Using Recursion //Function Used to reverse Stack Using Recursion
private static void reverseUsingRecursion(Stack<Integer> stack) { private static void reverseUsingRecursion(Stack<Integer> stack) {
if(stack.isEmpty()) if(stack.isEmpty()) // If stack is empty then return
{ {
return; return;
} }
@ -60,7 +60,7 @@ public class ReverseStackUsingRecursion {
int temp = stack.peek(); /* All the items are stored in call stack until we reach end*/ int temp = stack.peek(); /* All the items are stored in call stack until we reach end*/
stack.pop(); stack.pop();
insertAtEnd(temptop); insertAtEnd(temptop); //Recursive call
stack.push(temp); stack.push(temp);
} }