boxingexample5.java

JAVA SE6 全方位学习 朱仲杰 编著 机械工业出版社出版

package java2.F;

import static java.lang.System.*;

public class BoxingExample5
{
	public static void main(String[] args)
	{
		int i1 = 10;
		Integer i2 = 10;
		byte i3 = (byte)i1;
		int i4 = i2;
		foo(i1);
		foo(i2);		
		foo(i3);
		foo(i4);
	}
	
	public static void foo(long i)
	{
		out.println("long i = "+i);
	}
	
	public static void foo(short i)
	{
		out.println("short i = "+i);
	}

	public static void foo(Integer i)
	{
		out.println("Integer i = "+i);
	}
}