testboolean.java

来自「疯狂Java讲义_源码(含Java设计模式CHM」· Java 代码 · 共 26 行

/**
 * 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 TestBoolean
{
	public static void main(String[] args) 
	{
		boolean b1 = true;
		boolean b2 = false;
		//下面代码将出现错误：字符串不能直接变成boolean型的值
		//boolean b3 = "true";
		//使用boolean和字符串进行连接运算，boolean会自动转换成字符串
		String str = true + "";
		//下面将输出true
		System.out.println(str);
	}
}