catchexception.java

来自「金旭亮的java教案」· Java 代码 · 共 27 行

class Grumpy extends Exception {}
class TooHot extends Grumpy {}
class TooTired extends Grumpy {}
class TooCross extends Grumpy {}
...

try
{
	if(temp>40) throw (new TooHot());
	if(sleep<8) throw (new TooTired());
}

catch (Grumpy g)
{
	if(g instanceof TooHot)
	{
		System.out.println("caught too hot");return;
	}
	if(g instanceof TooTired)
	{
		System.out.println("caught too tired");return;
	}
}
finally
{
	System.out.println("in the finally clause.");
}