Java Tutorials

Sealed Interface in Java 17

In Java, a sealed interface is a feature introduced in Java 17 to restrict which classes can implement an interface. […] Continue reading »

Java 17 Sealed Classes

Java 17, the latest Long-Term Support (LTS) version, introduces several new features and enhancements aimed at improving code readability, maintainability, […] Continue reading »

Java 8 Collectors.partitioningBy() Method Example

Java 8 Stream API’s Collectors.partitioningBy() method, which offers a powerful way to partition elements of a stream into two groups […] Continue reading »

Java Map.of() vs Map.ofEntries() Method

In Java, the Map.of() and Map.ofEntries() static factory methods were introduced in Java 9 as part of the java.util.Map interface […] Continue reading »

Java Stream peek() Method Example

In this blog, we’ll explore the Java 8 Stream peek() method, understanding its purpose and demonstrating how it can be […] Continue reading »

Java 8– Find first and all smallest string in List

Using the Java 8 Stream API min method, you can find the first and all smallest strings from a List. […] Continue reading »

Java 8– Find first and all longest strings in List

In Java 8, you can find the first and all longest strings from a list using the Stream API along […] Continue reading »

Java 8- Count the occurrences of Character in String

In this Java 8 program, you will find how to  count the frequency of character in String using Stream API. […] Continue reading »

String intern() method in Java

In Java, the String class is one of the most fundamental classes, offering a wide array of methods to manipulate […] Continue reading »

ConcurrentModificationException in Java

ConcurrentModificationException is a runtime exception in Java that arises when multiple threads try to modify a collection at the same […] Continue reading »

Java transient Keyword

Java transient keyword allows developers to control the serialization process of Java objects. In this blog, we will explore the […] Continue reading »

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