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Example to show ArrayoutofboundException in java

                         

Array out of bound Exception in Java is a run time error caught whenever a formula references specify an array with an index that is outside array defined boundaries.

Understand with Example

The code try to explain you an example below that shows the use of java array out of bound exception. The following tutorial describes  the way to handle ArrayoutofboundException . In this example java program we print the command line arguments values which are being passed to the program through the command line. Suppose in our example we have passed two command line arguments and now we try  to access third argument value which is not present and therefore our example throws an ArrayIndexOutOfBoundsException.

System.out.println("args[2]="+args[2]); throws ArrayIndexOutOfBoundsException. Since no value is present on the array index 2.

The steps involved in the program are described below:-

ArrayoutofboundException.java




public class ArrayoutofboundException {

    public static void main(String[] args) {
        try {
            System.out.println("args[0]="+args[0]);
            System.out.println("args[1]="+args[1]);
            System.out.println("args[2]="+args[2]);
        }
        catch(Exception ex){
            System.out.println(ex);
        }
    }
  }

Output of the program

java.lang.ArrayIndexOutOfBoundsException: 0

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