Example to show Array exception in java

Here we are describing the use of using exception class in java .This tutorial describes the way to handle Array exceptions appropriately in your programs and designs.

Example to show Array exception in java

Here we are describing the use of using exception class in java .This tutorial describes the way to handle Array exceptions appropriately in your programs and designs.

Example to show Array exception in java

Example to show Array exception in java

     

Array Exception are the type of exception which  is usually thrown when the programmer tries to access an array index which is out of declared array range. The program given below describes how the exception occurs with array and also gives the key to tackle these exception.

Understand with Array exception

In our example program we have declared an integer array "arr" and it's length is two. Now if we will be accessing any array index out of its length; for example in our example we are trying to access array value at arr[7], program will throw an exception .The exception occurred in the try block and caught by the catch block. The catch Exception ex) include -

 printstackTrace( ) -  This method print a throw able and backtrack to the standard error stream. 

On execution of the code, the compiler show you an ArrayIndexOutOfBoundsException.

Arrayexception.java


public class Arrayexception {

 public static void main(String[] args) {
  try {
  int arr[];
  arr=new int[2];
  arr[0]=23;
  arr[1]=23;
  System.out.println("Element of array at this index is "+arr[7]);
  }
  catch(Exception ex){
  ex.printStackTrace();
  }
  }
  }

Output of the program

java.lang.ArrayIndexOutOfBoundsException: 7
at Arrayexception.main(Arrayexception.java:10)

Note :- To remove this exception you have to give the specified index that an array holds.

Download source code

 

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