Summary of Java exception handling

1: Classification

Check for exceptions (checked, inspected)

Run exception (unchecked)

2: Catch exception

Try/catch try/catch/finally try/finally

try{

Protected code

}catch (Exception name e) {

Capture Block

E.printstacktrace ();

}

try{

Protected code

}finally{

Finally blocks are always executed

}

3: Exception handling and rules of declaration

1 throws is used to declare exceptions to be thrown in a method

2 throw is used to throw an exception

3 Method overrides and exceptions

4: User-defined exception

1 exception is a subclass of Throwable

2 Write exception, need to inherit exception

3 Write run-time exceptions, need to inherit runtimeexception

Summary of Java exception handling