Java 8 Interview Preparation

Name: Java 8 Interview Preparation
Rating: 4.4 (584 reviews)

Java 8 Questions related to Functional interface, Lambda expression, Stream API, Optional, String Joiner

Last updated 11/2024

English

What you'll learn

3 sections • 13 lectures • 32m total length

Introduction To Java 81:29
Explore Java 8 features including lambda expressions, functional interfaces, streams, optional, string joiner, and the date-time API, and learn how to configure Eclipse with Java 8 support.
What is Functional Interface ?6:04
Explore functional interfaces in Java 8, defined by a single abstract method, optional default or static methods, and the @FunctionalInterface annotation.
What is Lambda Expression ?3:42
Discover how lambda expressions create an instance of a functional interface in java 8, with an example that computes the square of a value using a single abstract method.
What is Stream API ?8:01
What is Optional ?3:42
Discover how Java 8 Optional helps prevent null pointer exceptions by wrapping potential null values with Optional.ofNullable and checking presence with isPresent.
What is StringJoiner ?5:31
Learn how StringJoiner in Java 8 joins strings with a delimiter, prefix, and suffix, using names and countries as examples. Leverage the idea for joining in parallel streams.
Difference between Collection API and Stream API0:27
What kind of variable you can access in an lambda expression ?0:08
Difference between Iterator and Spliterator0:13
Differences between Java’s OLD Date API and Java 8’s Date and Time API0:12

***** Some Reviews From Students *****

this course is excellent!!
Straight forward explanation, highly recommended!
simple and straight forward teaching.
Very detailed and concise explanation of functional interfaces and lambda expressions
Good experience with Java 8 features and questions & answers.

In this course you will learn Java 8 Interview Questions that you might face in your next Interview in Java.

Now a days most of the people are asking questions related to Java 8 so this course will prepare you for that.

Question covered are -