divideexceptiontest.java

来自「实例精华」· Java 代码 · 共 21 行

public class DivideExceptionTest                                     
{                                                                
	public static void main(String args[])                   
	{                                                        
		int n=0,d=0;                                     
		double q;                                        
		try                                              
		{                                                
			n=Integer.parseInt(args[0]);             
			d=Integer.parseInt(args[1]);             
			if(d==0) throw new MyDivideException();  
			q=(double)n/d;                           
			System.out.println(n+"/"+d+"="+q);       
		}                                                
		catch(MyDivideException e)                       
		{                                                
			System.out.println(e);        
		}                                                
	}  
}