Java Tutorials


Java Records: Simplify Data Classes

The record keyword was introduced in Java 16. It is a feature that simplifies the creation of classes for data […] Continue reading »

Java 8 Collectors.groupingBy() Method Example

In this blog post, we will explore the Collectors.groupingBy() method, a valuable tool for grouping elements in a stream based […] Continue reading »

Find nth Largest elements from Integer List using Java Stream

To find the nth highest elements from an integer list using Java 8 Stream API, you can follow these steps: […] Continue reading »

Java 8 – Find Non Duplicate Elements from List

In Java 8, you can use the Stream API and lambda expression features to find the non-duplicates element from a […] Continue reading »

Java ReentrantLock Example

In Java, ReentrantLock is a synchronization mechanism provided by the java.util.concurrent.locks package. It is an implementation of the Lock interface […] Continue reading »

Java 8- Find the nth Highest Salary

In this short article, you will learn how to find the nth highest salary of an employee using Java Streams […] Continue reading »

Java Collections.min() and Collections.max() Methods

In this article, we will explore min() and max() methods of the Collections utility class. In Java, the Collections class […] Continue reading »

Method Reference in Java 8

In Java, method reference is a feature introduced in Java 8 that allows you to refer to a method by […] Continue reading »

System.arraycopy() vs. Arrays.copyOf() in Java

In Java, both Arrays.copyOf() and System.arraycopy() are methods used to copy elements from one array to another. But, they are […] Continue reading »

Java Objects Class Example

The Objects utility class is part of java.util package and was introduced in Java 1.7. It provides static methods that […] Continue reading »

Java StringJoiner Class: Simplify String Concatenation

Java 8 introduced a new utility class called StringJoiner, which provides a convenient and expressive way to join strings together […] Continue reading »

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