Here’s a compilation of 160 advanced Java interview questions along with brief answers to help you prepare. This list covers various advanced topics, including concurrency,
Tag: Java 8
In Java, the Stream API provides powerful ways to manipulate collections, including Map. Though Map itself is not a direct part of the Stream API,
In Java’s Stream API, the methods IntStream.range() and IntStream.rangeClosed() are used to generate streams of numbers. They differ in whether the upper bound of the
The mapToObj() method in Java Streams is used when you’re working with primitive streams (such as IntStream, LongStream, or DoubleStream) and want to convert the
Prior to Java 8, interfaces could only have abstract methods. These methods implementation must be provided in a separate class. As a result, if a
1. What are the functional interfaces in Java 8? Functional interfaces are not a new concept in Java; they are just normal interfaces with fewer
Functional Interfaces are not a new concept in Java, it is just a normal interface with fewer modifications. So let get a little deeper into
forEach() is a method defined under Iterable interface and it is used to iterate the elements just like iterator and do many actions. forEach() got
A lambda expression can be memorized as methods in Java, like methods lambda expression takes the inputs as Parameter and produce the processed data. Lambda
String Class is available under java.lang Package. There is numerous ways to covert String to Date Format. Let us see the ways one by one.