creating a own exception in subclasses in java in hindi

We use the throws keyword in the method declaration to declare the type of exceptions that might occur within it. This will require that you modify your method signature to include throws. Other callers of this method may want to catch it though. This section of our 1000+ Java MCQs focuses on creating exceptions in Java Programming Language. Normally you dont, if youre creating the exception yourself. This tutorial will now focus on how to handle checked exceptions using throw and throws. You should simply throw the exception, without catching it yourself in the method thats throwing it, unless you want to catch it there. Built-in Java Classes Creating own Classes Packages and Java class path. And, it is a good practice to correct them instead of handling them. Review -OOP as a programming style: manifestos -Encapsulation, Isolation. It's because unchecked exceptions occur due to programming errors. Usually, we don't need to handle unchecked exceptions. Refer to Java Exceptions to learn in detail about checked and unchecked exceptions. For example, IOException, InterruptedException, etc. Checked Exceptions: They are checked at compile-time.Unchecked Exceptions: They are not checked at compile-time but at run-time.For example: ArithmeticException, NullPointerException, ArrayIndexOutOfBoundsException, exceptions under Error class, etc.In Java, exceptions can be categorized into two types:

Creating a own exception in subclasses in java in hindi