autoconversion.java

疯狂Java讲义_源码(含Java设计模式CHM

/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */
public class AutoConversion
{
	public static void main(String[] args) 
	{
		int a  = 6;
		//int可以自动转换为float类型
		float f = a;
		//下面将输出6.0
		System.out.println(f);
		//定义一个byte类型的整数变量
		byte b = 9;
		// 下面代码将出错，byte型不能自动类型转换为char型
		//char c = b;
		// 下面是byte型变量可以自动类型转换为double型
		double d = b;
		//下面将输出9.0
		System.out.println(d);
	}
}