Java 抛出 RuntimeException 的好处是什么 [英] Java what is the benefit of Throwing RuntimeException
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问题描述
沿着方法签名 b/c 声明 (Unchecked Exception)throws 异常有什么好处，它不会强制调用者保持在 try catch 块中.
What is the benefit of declaring (Unchecked Exception)throws exception along method signature b/c it does not force caller to keep in try catch block.
public void testRuntimeEx()throws RuntimeException{
if(1==1){throw new RuntimeException()}
}
//Caller method
public void testCaller(){
// not necessery to handle even caller does not known which RuntimeException might be throws then what is the benefit throws clause with method signature
testRuntimeEx();
}
推荐答案
如果你抛出自定义的未检查异常，它会变得更有意义，而不是捕获系统异常，并且未检查异常也不会强制捕获.
if you throw custom unchecked exception it becomes more meaningfull rather catching system exception and unchecked exception does not force to catch too.
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