stack

stack

View Answers

October 13, 2008 at 10:13 AM

Hi friend,


Code to solve the Problem :

import java.io.*;
import java.util.*;

public class StackExample{
Stack<Integer> stack;
String str;
int num, n;
public static void main(String[] args){
StackImplement si = new StackImplement();
}
public StackImplement(){
try{
stack = new Stack<Integer>();
InputStreamReader ir = new InputStreamReader(System.in);
BufferedReader bf = new BufferedReader(ir);
System.out.print("Enter number of elements : ");
str = bf.readLine();
num = Integer.parseInt(str);
for(int i = 1; i <= num; i++){
System.out.print("Enter elements : ");
str = bf.readLine();
n = Integer.parseInt(str);
stack.push(n);
}
}
catch(IOException e){}
System.out.print("Retrieved elements from the stack : ");
while (!stack.empty()){
System.out.print(stack.pop() + " ");
}
}
}

For more information on Stack visit to :

Thanks

October 13, 2008 at 10:13 AM


October 13, 2008 at 11:32 AM

I think there is bit wrong in the above answer.

the bugged code

import java.io.*;
import java.util.*;

public class StackExample{
Stack<Integer> stack;
String str;
int num, n;
public static void main(String[] args){
StackExample si = new StackExample();
}

StackExample(){
try{
stack = new Stack<Integer>();
InputStreamReader ir = new InputStreamReader(System.in);
BufferedReader bf = new BufferedReader(ir);
System.out.print("Enter number of elements : ");
str = bf.readLine();
num = Integer.parseInt(str);
for(int i = 1; i <= num; i++){
System.out.print("Enter elements : ");
str = bf.readLine();
n = Integer.parseInt(str);
stack.push(n);
}
}
catch(IOException e){}
System.out.print("Retrieved elements from the stack : ");
while (!stack.empty()){
System.out.print(stack.pop() + " ");
}
}
}









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