53 lines
1.1 KiB
Java
53 lines
1.1 KiB
Java
package VL14.Aufgabe01;
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/**
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* Class representing a counter.
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*
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* @author Sebastian Brosch
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*/
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public class Counter implements Runnable {
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static int counter;
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// some information of the counter.
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private int number;
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/**
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* Create a new counter with initializing the start value.
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*
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* @param number The number to increment or decrement the counter.
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* @param start The start value of the counter.
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*/
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public Counter(int number, int start) {
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this(number);
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counter = start;
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}
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/**
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* Create a new counter without initializing the start value.
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*
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* @param number The number to increment or decrement the counter.
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*/
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public Counter(int number) {
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this.number = number;
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}
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/**
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* Method to run some code in a Thread.
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*/
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public void run() {
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while (counter > 0 && counter < 1000) {
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this.count();
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}
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}
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/**
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* Method to increment or decrement the counter.
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*/
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private void count() {
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synchronized (getClass()) {
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counter += this.number;
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System.out.printf("%3d [%s: %3d]\n", counter, Thread.currentThread().getName(), this.number);
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}
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}
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}
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