#笔记#第三章：操作符

打印

class d3_1{
	public static void main(String[] args){
		System.out.print("你妹");
	}
}

 优先级

class d3_2{
	public static void main(String[] args){
		int x = 1, y = 2, z = 3;
		int a = x + y - 2 / 2 + z;
		int b = x + (y - 2) / (2 + z);
		System.out.print("a = " + a + "\nb = " + b);
	}
}

 赋值

class Xx{
	int a;
}

class d3_4{
	public static void main(String[] args){
		Xx x1 = new Xx();
		Xx x2 = new Xx();
		x1.a = 1;
		x2.a = 2;
		System.out.print("x1a = " + x1.a + "\nx2a = " + x2.a);
	}
}

 别名

class Xx{
	int a;
}

class d3_4_1{

	public static void f(Xx x){
		x.a = 10;
	}
	
	public static void main(String[] args){
		Xx x1 = new Xx();
		Xx x2 = new Xx();
		x1.a = 1;
		f(x2);
		
		System.out.print("x1a = " + x1.a + "\nx2a = " + x2.a);
	}
}