java 13 interview questions and answers

Checked exceptions are exceptions that arise in a correct program, typically due to user mistakes like entering wrong data or I/O problems. In Java, checked exceptions are exceptions that are checked at compile-time. This means that the compiler enforces certain rules regarding handling these exceptions. If a method can potentially throw a checked exception, the … Read more

This indicates that the method throws some exception and the caller method should take care of handling it. In Core Java, the throws clause in a method declaration is used to indicate that the method may throw one or more specified exceptions during its execution. When a method is declared with a throws clause, it … Read more

The death of thread – Use of system.exit() – Turning off the power to CPU – An exception arising in the finally block itself Rules for catching multiple exceptions – A more specific catch block must precede a more general one in the source, else it gives compilation error – Only one catch block, that … Read more

: If you put finally after a try block without a matching catch block then it will be executed after the try block If it is placed after the catch block and there is no exception then also it will be executed after the try block If there is an exception and it is handled … Read more

There is no catch block that names either the class of exception that has been thrown or a class of exception that is a parent class of the one that has been thrown, then the exception is considered to be unhandled, in such condition the execution leaves the method directly as if no try has … Read more