Java Array setInt() Method

The setInt() method of Array class sets the value of the indexed component of the specified array object to the specified int value.

Syntax

public static void setInt(Object array, int index, int i)
                   throws IllegalArgumentException,
                          ArrayIndexOutOfBoundsException

Parameter

array - the array

index - the index into the array

i - 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 ReflectArraysetIntExample1 { 
    public static void main(String[] args) 
    { 
        int arr[] = new int[3];  
        Array.setInt(arr , 0 , 2);
          Array.setInt(arr , 1 , 7);
            Array.setInt(arr , 2 , 9);
        
        for (int i = 0; i < arr.length; i++) { 
  
            double vl = Array.getInt(arr, i); 
            System.out.print(vl + "  , "); 
        } 
    } 
}

Test it Now

Output:

2.0  , 7.0  , 9.0 ,

Example 2

//import statements
         
  
import java.lang.reflect.Array;
public class ReflectArraysetIntExample2 {
  public static void main (String args[]) {
    int[] arr = new int[3];
    for(int i=0;i<arr.length;i++)
    {
        Array.setInt(arr , i , i+8);
    }
   
     for(int i=0;i<arr.length;i++)
    {
       int value = Array.getInt(arr, i);

    System.out.println(value);
    }
   
  }
}

Test it Now

Output: