Replace ArrayList with array

Java Collection, ArrayList Exercises: Replace the second element of a ArrayList with the specified element

Last update on December 14 2021 06:27:46 [UTC/GMT +8 hours]

Java Collection, ArrayList Exercises: Exercise-21 with Solution

Write a Java program to replace the second element of a ArrayList with the specified element.

Pictorial Presentation:


Sample Solution:-

Java Code:

import java.util.ArrayList; public class Exercise21 { public static void main[String[] args]{ ArrayList color = new ArrayList[]; color.add["Red"]; color.add["Green"]; System.out.println["Original array list: " + color]; String new_color = "White"; color.set[1,new_color]; int num=color.size[]; System.out.println["Replace second element with 'White'."]; for[int i=0;i

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