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The important keywords used in Java with respect to Exception Handling are:
a. Throw - The "throw" keyword is used to throw exceptions from inside a method
b. Throws - The "throws" keyword is used to signify the fact that the code contents within the current method may be throwing an exception and the calling method must handle them appropriately
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Why use catch keyword in java?
no, because catch is used to handle exceptions which are generated from try block
What is throw keyword in java?
The throw keyword is used from within a method to "throw" an exception to the calling method. In order to throw an exception, the method signature must indicate that it will throw an exception. For example: public void foo() throws Exception { } When you want to actually throw the exception, you can do it a few different ways: throw new Exception("Exception message"); or from within a catch block ( catch(Exception ex) ): throw ex;
Why should throw keyword is used in java?
Use it when you are implementing something that says it throws a certain exception when a certain condition is met.
How java use extern key word which is used in C plus plus?
No extern keyword in Java.
How exception handling mechanism can be used for debugging a program in java?
Trapping and handling of runtime errors is one of the most crucial taska ahead of any programmer. AS A DEVELOPER, YOU SOMETIMES SEEM TO SPEND MORE TIME CHECKING FOR ERRORS AND HANDLING THEM THEN YOU DO ON THE CORE LOGIC OF THE ACTUAL PROGRAM.
