dogtalk.java

java编程思想第四版习题答案

// initialization/DogTalk.java
// TIJ4 Chapter Initialization, Exercise 5, page 167
/* Create a class with a default constructor (one that takes no arguments) that
* prints a message. Create an object of this class.
*/

class Dog {
	void bark() {System.out.println("quiet");}
	void bark(char c) {System.out.println("cawcaw");}
	void bark(byte b) {System.out.println("barkbark");}
	void bark(short s) {System.out.println("slurpslurp");}
	void bark(int i) {System.out.println("iyow");}
	void bark(long L) {System.out.println("lalala");}
	void bark(float f) {System.out.println("fififoofum");}
	void bark(double d) {System.out.println("dodo");}
}


public class DogTalk {
	public static void main(String[] args) {
		Dog d = new Dog();
		char c = 'c';
		byte b = 0;
		short s = 0;
		d.bark();
		d.bark((char)c);
		d.bark((byte)b);
		d.bark((short)s);
		d.bark(1);
		d.bark(1L);
		d.bark(1.0f);
		d.bark(1.0);
	}
}