Aug 19, 2022by @kodeazy

Java How to replace elements at specific index in ArrayList?

Home » java » Java How to replace elements at specific index in ArrayList?

java

In this blog we will discuss on how to replcae element at specific index in java ArrayList.
we use set(int index,E element) method for replacing at the specific index.
Below is the example syntax.
```
arrayIntegers.set(2,90);
```

Below is the example program to replace element at specific index i ArrayList.

import java.util.*;
class ArrayListReplaceIndex{
public static void main(String args[]){
	List<Integer> arrayIntegers = Arrays.asList(10,30,24,60,55);
	System.out.println("Elements before replacing"+arrayIntegers);
	arrayIntegers.set(2,90);
	System.out.print("Elements after replacing element at second index "+arrayIntegers);
}
}

Output:

D:\java>javac ArrayListReplaceIndex.java
D:\java>java ArrayListReplaceIndex
Elements before replacing [10, 30, 24, 60, 55]
Elements after replacing element at second index [10, 30, 90, 60, 55]