userexceptiondemo2.java

来自「java入门经典教程 java入门经典教程 java入门经典教程」· Java 代码 · 共 33 行

// 例3.3.2 UserExceptionDemo2.java
class MyException extends Exception 
{
	public MyException() 
	{
	}
	public MyException(String str)
	{ 
		super(str);
	}
}
public class UserExceptionDemo2
{
	public static void method(int i) throws MyException
	{
		if(i<0)
			throw new MyException();
		if(i==0)
			throw new MyException("不能等于零");
	}
	public static void main(String[] args)
	{
		try
		{
			method(-3);
			//method(0);
		} catch(MyException me) {
			System.err.print("Catch Exception:");
			me.printStackTrace();
		}
	}
}