Array setShort() method in Java

The java.lang.reflect.Array.setShort() is an inbuilt method in Java and is used to set a specified short value to a specified index of a given object array.

Syntax:

Array.setShort(Object []array,int index, short value)

Parameters: This method takes 3 parameters:

  • array: This is an array of type Object which is to be updated.
  • index: This is the index of the array which is to be updated.
  • value: This is the short value that is to be set at the given index of the given array.

Exception: This method throws following exceptions:

  • NullPointerException– when the array is null.
  • IllegalArgumentException – when the given object array is not an Array.
  • ArrayIndexOutOfBoundsException – if the given index is not in the range of the size of the array.
  • Below is the implementation of Array.setShort() method:

    Program 1 :

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    // Java code to demonstrate 
    // setShort() method of Array class
      
    import java.lang.reflect.Array;
    public class GfG {
        // main method
        public static void main(String[] args) {
              
            // Declaring and defining Short array
            short b[] = {1,2,3,4};
            System.out.print("Befor Set : ");
            // printing the array
            for(short x : b){
                System.out.print(x + " ");
            }
            short value = 10;
            // set method of class Array
            Array.setShort(b, 1, value);
              
            System.out.print("\nAfter Set : ");
            // printing array
            for(short x : b){
                System.out.print(x + " ");
            }
              
        }
    }

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    Output:

    Befor Set : 1 2 3 4 
    After Set : 1 10 3 4
    

    Program 2 : to demonstrate java.lang.NullPointerException

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    // Java code to demonstrate 
    // setShort() method of Array class
      
    import java.lang.reflect.Array;
    public class GfG {
        // main method
        public static void main(String[] args) {
              
            // Declaring and defining Short array to null
            short b[] = null;
            try{
                short s = 10;
                Array.setShort(b,5,s);
            }
            catch(Exception e){
                System.out.println("Exception : " + e);
            }
              
        }
    }

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    Output:

    Exception : java.lang.NullPointerException
    

    Program 3: To demonstrate java.lang.ArrayIndexOutOfBoundsException

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    // Java code to demonstrate 
    // setShort() method of Array class
      
    import java.lang.reflect.Array;
    public class GfG {
        // main method
        public static void main(String[] args) {
              
            // Declaring and defining Short array
            short b[] = {1,2,3,4};
            try{
                short s = 10;
                Array.setShort(b,5,s);
            }
            catch(Exception e){
                System.out.println("Exception : " + e);
            }
              
        }
    }

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    Output:

    Exception : java.lang.ArrayIndexOutOfBoundsException
    

    Program 4: To demonstrate java.lang.IllegalArgumentException

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    // Java code to demonstrate 
    // setShort() method of Array class
    import java.lang.reflect.Array;
    public class GfG {
        // main method
        public static void main(String[] args) {
              
            // Declaring and defining Short variable
            short b = 1;
            try{
                short s = 10;
                Array.setShort(b,5,s);
            }
            catch(Exception e){
                System.out.println("Exception : " + e);
            }
              
        }
    }

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    Output:

    Exception : java.lang.IllegalArgumentException: Argument is not an array
    


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