overloading.java

java编程思想的部分实现

//:c4 :Overloading.java
import java.util.*;
class Tree
{
	int height;
	Tree()
	{
		prt("Planting a seeding");
		height=0;
	}
	Tree(int i)
	{
		prt("Creating a new tree that is "+i+"feet tall");
		height=i;
	}
	 void info()
	{
		prt("Tree is "+height+"feet tall.");
	}
	 void info(String s)
	{
		prt(s+":Tree is "+height+" feet tall.");
	}
	 static void prt(String s)
	{
		System.out.println(s);
	}
	
}


public class Overloading
{
	
	public static  void main(String[] args)
	{
	for(int i=0;i<5;i++)
	{
		Tree t=new Tree(i);
		t.info();
		t.info("overloading method");
	}
	new Tree();
	
	}
}