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Counter.java
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Counter.java
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/*
* Counter.java
*
* Copyright 2016 graf <graf@chillosphere.spacepotato>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*
*/
public class Counter {
private int counter;
public void counterReset(){
counter = 0;
}
public void countUp(int countTo){
for (int i = 0; i <= countTo; i++){
counter += 1;
System.out.println(counter);
}
}
public void countDown(int countTo){
for (int x = 0; x <= countTo; x++){
if (counter <= 0) {
System.out.println("Counter must stay positive!");
System.exit(0);
}
else {
counter -= 1;
System.out.println(counter);
}
}
}
public static void main (String args[]) {
Counter demo = new Counter();
demo.counterReset();
demo.countUp(5);
demo.countUp(10);
demo.countDown(20);
}
}