testtostring.java

来自「常用的java控件使用实例源代码」· Java 代码 · 共 12 行

public class TestToString {
	public static void main(String[] agrs) {
		Dog d = new Dog();
		System.out.println("d := " + d.toString());
	}
}

class Dog {
	public String toString() {
		return "I'm a hot dog!";
	}
}