flower.java

java编程思想的部分实现

//:c04 :Flower.java
//calling constructors with "this"
public class Flower
{
	int petalCount=0;
	String s=new String("null");
	Flower(int petals)
	{
		petalCount=petals;
		System.out.println("Constructor Petals= "+petalCount);
	}
	Flower(String ss)
	{
		System.out.println("Constructor string arg only,s= "+ss);
		s=ss;
	}
	Flower(String s,int petals)
	{
		this(s);
		this.petalCount=petals;
		System.out.println("String&&int args "+s+","+petals);
	}
	Flower()
	{
		this("hi",47);
		System.out.println("default constructor,no args");
	}
	void prt()
	{
		System.out.println("petalCount= "+petalCount+" s= "+s);
	}
	public static void main(String [] args)
	{
		Flower x=new Flower();
		x.prt();	
	} 
}