Question

Java

Answer 1

The program illustrates the use of catching exceptions using try and catch.

• Exceptions are simply errors that can crash a program
• Try and catch are used to prevent errors from crashing a program

The required try and catch block is as follows:

try {

       System.out.print(names[index]);

   }

   catch (ArrayIndexOutOfBoundsException e) {

  System.out.println(e.getMessage());

}

The flow of the above code segment is as follows:

First, we begin with the try block

try {

Then the program prints the element at the index

       System.out.print(names[index]);     }

If the index does not exist in the array (e.g. -1 or 11), then the catch block is executed

   catch (ArrayIndexOutOfBoundsException e) {

This prints the appropriate exception

  System.out.println(e.getMessage()); }

See attachment for sample run

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