Javarevisited

Java 8 provides excellent features to support the filtering of elements in Java Collections. Prior to Java 8, the only better way to filter...

Hello guys, if you are wondering how to solve the Fibonacci series problem with memorization in Java then you have come to the right place. ...

Hello guys, joining multiple String literals or objects into one is a common programming requirement and you will often find situations whe...

Hello guys, if you are looking for some awesome resources, like books, tutorials, and courses to learn and master new features introduced i...

Hello guys, if you remember, Java 8 changed the way we usually code in Java by introducing some Functional Programming concepts. It brings ...

If you follow Java updates, you may know that Java 13 was released, and Java 14 is on the way, but I often receive emails and queries askin...

It's been quite some time since Java 8 was released but the Java community is still buzzing with functional programming and lambda expr...

In Java 8, you can use the Stream.findFirst() method to get the first element of Stream in Java. This is a terminal operation and is often...

Null is bad, it can crash your program. Even its creator called it a billion-dollar mistake hence you should always try to avoid using null...

Hello Java friends, In the last article, I have shown you how to sort a Map by values in Java 8 , and in this tutorial, you will learn how ...

Hello guys, if you are preparing for Java interviews and looking for some Java 8 Stream, Lambda Expression, and other Java 8 features then ...

Today one of my readers asked about what is the latest OCPJP or Oracle Java  exams available and is there a Java certification available for...

In the last article, I have shown you how to sort a Map in Java 8 by keys , and today, I'll teach you how to sort a Map by values usin...

If you have been coding in Java 8 then you may know that using method reference in place of lambda expression makes your code more readabl...

Hello guys, if you have been doing Java development then you know that Java 8 brings a lot of changes not just on programming language par...

In Java 8, there is a defined functional interface which is called Predicate . The Predicate interface receives an argument and based on sp...

It's quite common in day to day programming to join Strings e.g. if you have an array or List of String let's say {Sony, Apple, Goo...

Lambda expression allows you to reduce code compared to an anonymous class to pass behaviors to methods, method reference goes one step fu...

You might not be aware that Java 8 update 20 has introduced a new feature called "String deduplication" which can be used to sav...

FizzBuzz is one of the most famous programming questions from interviews, which is generally used to weed out programmers who can't pro...