56 lines
739 B
Java
56 lines
739 B
Java
/** Static.java
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*
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* Eine Klasse, die Effekte mit Klassenvariablen demonstriert.
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*/
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class Static {
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int n;
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static int snum;
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void increase() {
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n++;
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snum++;
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}
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void output() {
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System.out.println("n = " + n + ", snum = " +snum);
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}
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static void set(int n) {
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snum = n;
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}
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public static void main(String[] args) {
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Static ex1 = new Static();
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Static ex2 = new Static();
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ex1.output();
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ex2.output();
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System.out.println();
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ex1.increase();
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ex1.output();
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ex2.output();
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set(5); // Aufruf statische Methode; alternativ: Static.set(5);
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Static ex3 = new Static();
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System.out.println();
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ex1.output();
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ex2.output();
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ex3.output();
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}
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}
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// Static
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