char 向上转型

import java.util.Timer;
import java.util.TimerTask;



class NvWa{
	
	public void find(short i){
		System.out.println("(short) i");
	}
	

	public void find(float i){
		System.out.println("(float) i");
	}

	public void find(int  i){
		System.out.println("(int) i");
	}
public void find(Integer i){
		System.out.println("(Integer) i");
	}
	
}

public class DemoTime {

		public static void main(String[] args) throws InterruptedException {
			/*
			System.out.println(" Thread main " + Thread.currentThread().getName());
			new Timer(false).schedule(new TimerTask(){
				@Override
				public void run() {
					System.out.println(" >>>>>>>>>>> ");
				}},0);
			
			java.util.concurrent.TimeUnit.SECONDS.sleep(1);
			
			
			Thread.interrupted();
			new Thread().interrupt();
			new Thread().isInterrupted();
			new Thread().interrupted();
			
			System.out.println(" Thread main " + Thread.currentThread().getName() +" : End");
			*/
			
			
			new NvWa().find((char)19); //out print (int) i
//char原生类型类型重载方法中 直接向上转型为int 原生类型

//注释find(int  i) 后
new NvWa().find((char)19); //out print (float) i

//这里的原来请用jdk1.4一下版本理解 (没有自动拆箱)

		}
}