Java

Java is the popular programming language that originated in 1995. Today, the Java ecosystem includes a very large number of specifications, libraries, frameworks, tools, as well as a thriving community. Take a dive through our collection of Java tutorials that cover a wide array of Java-related topics.

>> Convert an Optional to an ArrayList in Java

>> Converting short to byte[] in Java

>> Collecting into Map using Collectors.toMap() vs Collectors.groupingBy()

>> How to Convert Between java.sql.Timestamp and ZonedDateTime in Java

>> Get the Position of Key/Value in LinkedHashMap Using Its Key

>> Avoiding the IndexOutOfBoundsException When Using List.subList() in Java

>> Casting Maps to Complex Objects

>> How to Implement Elvis Operator in Java

>> Mapping Enum to String Using MapStruct

>> How to Unit Test an ExecutorService Without Using Thread.sleep()

>> Using MapStruct With Inheritance

>> Introduction to Java 22

>> Difference Between Lombok @AllArgsConstructor, @RequiredArgsConstructor and @NoArgConstructor

>> Convert 2D Array Into 1D Array

>> Finding the Index of the Smallest Element in an Array

>> Remove All Characters Before a Specific Character in Java

>> Handling Nulls in ArrayList.addAll()

>> Converting Float ArrayList to Primitive Array in Java

>> How to Use Pair With Java PriorityQueue

>> Print Distinct Characters of a String in Java