Parameterübergabe in Java (Aufgabenblatt 2)
2009-11-01 20:21:21

class T {
	int wert = 7;
}

class Prog {
	
	public static void intTausch99(int var1, int var2) {
		var1 = 99;
		int temp = var1;
		var1 = var2;
		var2 = temp;
	}

	public static void objTausch99(T arg1, T arg2) {
		arg1.wert = 99;
		T temp = arg1;
		arg1 = arg2;
		arg2 = temp;
	}
	
	public static void main(String[] args) {
		int i = 7;
		int j = 42;
		T obj1 = new T();
		obj1.wert = 42;
		T obj2 = new T();
		System.out.println("i : " + i + " j: " + j);
		System.out.println("X: " + obj1.wert + " Y: " + obj2.wert);
		System.out.println("----------");
		intTausch99(i, j);
		objTausch99(obj1, obj2);
		System.out.println("i : " + i + " j: " + j);
		System.out.println("X: " + obj1.wert + " Y: " + obj2.wert);
	}
	
}