passobject.java

Java例程

//: PassObject.java
// Passing objects to methods can be a bit tricky
class Letter {
	char c;
}

public class PassObject {
	static void f(Letter y) {
		y.c = 'z';
	}
	
	public static void main(String[] args) {
		Letter x = new Letter();
		x.c = 'a';
		System.out.println("1: x.c: " + x.c);
		f(x);
		System.out.println("2: x.c: " + x.c);
	}
} ///:~