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Java Reflection - Array.setInt() Examples

[Last Updated: Nov 8, 2025]

Java Reflection Java Java API

Class:

java.lang.reflect.Array

Method:

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

Sets the value of the indexed component of the specified array object to the specified int value.

Examples

package com.logicbig.example.array;

import java.lang.reflect.Array;
import java.util.Arrays;

public class SetIntExample {

    public static void main(String... args) {
        Object o = Array.newInstance(int.class, 3);
        for (int i = 0; i < 3; i++) {
            Array.setInt(o, i, i*2);
        }
        System.out.println(Arrays.toString((int[]) o));
    }
}

Output

[0, 2, 4]

See Also