ExceptionalTest.java Source code

Introduction

Here is the source code for ExceptionalTest.java

Source

/*
   This program is a part of the companion code for Core Java 8th ed.
   (http://horstmann.com/corejava)
    
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
    
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
    
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

import java.util.Date;
import java.util.EmptyStackException;
import java.util.Stack;

/**
 * @version 1.10 2000-06-03
 * @author Cay Horstmann
 */
public class ExceptionalTest {
    public static void main(String[] args) {
        int i = 0;
        int ntry = 10000000;
        Stack<String> s = new Stack<String>();
        long s1;
        long s2;

        // test a stack for emptiness ntry times
        System.out.println("Testing for empty stack");
        s1 = new Date().getTime();
        for (i = 0; i <= ntry; i++)
            if (!s.empty())
                s.pop();
        s2 = new Date().getTime();
        System.out.println((s2 - s1) + " milliseconds");

        // pop an empty stack ntry times and catch the resulting exception
        System.out.println("Catching EmptyStackException");
        s1 = new Date().getTime();
        for (i = 0; i <= ntry; i++) {
            try {
                s.pop();
            } catch (EmptyStackException e) {
            }
        }
        s2 = new Date().getTime();
        System.out.println((s2 - s1) + " milliseconds");
    }
}