In this article, We will discuss about Java Coding Interview Questions and their Answers. Moreover, we will try to provide multiple approaches to solve a coding problem. Additionally, related concepts to a particular coding problem will also be discussed. Our primary focus of this article is to provide all kinds of Java Coding Interview Questions with their Answers. However, for theoretical questions & answers of Java Interview, kindly visit our another article 'Java Interview Questions'. How to iterate and modify value in Java 8 in a Map? Here is the program to update & iterate a Map in Java 8. public class MapUpdateTest {        public static void main(String[] args) {             Map<String,String> map = new