Java Array set() Method

The set() method of Array class returns the value of the indexed component in the specified array object, as a short.

Syntax

public static void set(Object array, int index, Object value)
                throws IllegalArgumentException,
                       ArrayIndexOutOfBoundsException

Parameter

array - the array

index - the index into the array

value - the new value of the indexed component

Returns

Does not return any value.

Throw

NullPointerException

IllegalArgumentException

ArrayIndexOutOfBoundsException -

Example 1

//import statement

import java.lang.reflect.Array; 
public class ReflectArraySetExample1  { 
    public static void main(String[] args) 
    { 
  
        String s[] = { "Java", "T", "Point" }; 
        System.out.print("Before Setting : ");
        for (String x : s) { 
            System.out.print(x); 
        } 
  
        Array.set(s, 1, "for"); 
  
        System.out.print("\nAfter Setting : "); 
        for (String x : s) { 
            System.out.print(x); 
        } 
    } 
}

Test it Now

Output:

Before Setting : JavaTPoint
After Setting : JavaforPoint

Example 2

//import statements
 
import java.lang.reflect.Array;
import java.util.Arrays;
public class ReflectArraySetExample2  {
  public static void main(String[] argv) throws Exception {
    int[] arr = { 1, 2, 3 }; 
    Object obj = Array.get(arr, 2);
    System.out.println("obj:"+obj);
    Array.set(arr, 2, 1);
    System.out.println("Array :: " +Arrays.toString(arr));
  }
}

Test it Now

Output: