J2SE基础/变量互换

/**	 * 交换变量	 */	static void changeField() {		int i = 5;		int j = 10;		i = i + j;		j = i - j;		i = i - j;		System.out.println("i:" + i + "\tj:" + j);	}	static void changeField1() {		int i = 5;		int j = 10;		int temp = i;		i = j;		j = temp;		System.out.println("i:" + i + "\tj:" + j);	}	static void swapField(){		int i = 1;		int j = 2;		i = i^j;		j = i^j;		i = i^j;		System.out.println("i:" + i + "\tj:" + j);	}