Contoh Program Sederhana

 Program Stack Sederhana

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Stack;



public class StackDemo {
    public static void main(String[] args) throws IOException {
        // Create a new, empty stack
        Stack lifo = new Stack();
        System.out.println ("===========================");
        System.out.println ("==Selamat Datang di Program Stack Sederhana =");
        System.out.println ("===========================");
        System.out.println ("= Berapa Data yang Ingin Dimasukkan Kedalam Stack==");
        BufferedReader masuk = new BufferedReader (new InputStreamReader (System.in));
        String test = masuk.readLine ();
        int x = Integer.parseInt(test);
       
        for (int a=x; a>0; --a){
            System.out.print ("Masukkan push stack :");
            String test1 = masuk.readLine();
            lifo.push (test1);
            }
           
           
System.out.println (" Stack :"+ lifo);
System.out.println (" top :"+ lifo.peek());
System.out.println (" noel :"+ lifo.size());
System.out.println (" Berapa kali ingin melakukan pop :");
String b = masuk.readLine();
int c = Integer.parseInt(b);
for (int d=c; d>0; --d){
    System.out.println (" Pop :"+ lifo.pop());
    System.out.println (" Stack :"+ lifo);
}
System.out.println (" top :"+ lifo.peek());
System.out.println (" noel :"+ lifo.size());
System.out.println (" Terima kasih atas Kunjungannya");

}
}