bath.java

翁剀JAVA语言那门课程的教案 很多人都看多他的视频教程可惜没有ppt的教案

//: Bath.java
// Constructor initialization with composition


class Soap {
	private String s;
	Soap() {
		System.out.println("Soap()");
		s = new String("Constructed");
	}
	public String toString() { return s; }
}

public class Bath {
	private String s1 = new String("Happy");
	private String s2 = "Happy";
	private String s3,s4;
	Soap castille;
	int i;
	float toy;
	Bath() {
		System.out.println("Inside Bath()");
		s3 = new String("Joy");
		i = 47;
		toy = 3.14f;
		castille = new Soap();
	}
	void print() {
		if ( s4 == null )
			s4 = new String("Joy");
		System.out.println("s1 = " + s1);
		System.out.println("s2 = " + s2);
		System.out.println("s3 = " + s3);
		System.out.println("s4 = " + s4);
		System.out.println("i = " + i);
		System.out.println("toy = " + toy);
		System.out.println("castille = " + castille);
	}
	public static void main(String[] args) {
		Bath b = new Bath();
		b.print();
	}
}