Java Resources

How to Use Elasticsearch With a Spring Data Elasticsearch Project

If you're new to Elasticsearch or need a refresher, read on to learn how to integrate this popular open source searching tool into your application.

December 18, 2018

by Rajesh Bhojwani

· 102,876 Views · 6 Likes

Mixins Via Kotlin Delegation

Mixins can be handy in creating more readable, maintainable code.

December 18, 2018

by Steve Gertiser

· 33,317 Views · 7 Likes

Java 8 Streams API: Laziness and Performance Optimization

Learn more about the most important property of Java 8 Streams — laziness.

Updated December 17, 2018

by Amit Phaltankar

· 44,968 Views · 6 Likes

Generic Search in MongoDB With Java

There is no need to put a Service Class for every collection — one method could do that!

December 17, 2018

by Anis Hajri

· 18,739 Views · 2 Likes

Asymmetric JCE Cryptography API Using RSA Algorithm in Mule 4

See how to encrypt and decrypt stream, byte[], or string using the Asymmetric JCE Cryptography module in Mule 4 taking an API as the reference implementation.

December 17, 2018

by Sudeshna Mitra

· 20,141 Views · 4 Likes

Important Java Keywords That You Must Know

Check out the most important keywords in Java!

December 14, 2018

by Rinu Gour

· 18,788 Views · 9 Likes

Migrating Spring Boot Applications to the Latest Java Version (Java 11)

Need help migrating your Spring Boot apps over to Java 11?

December 13, 2018

by Akhil Raj

· 169,088 Views · 24 Likes

Spring Batch: Processing Data From Web Service to MongoDB

In this post, we will look at how to create a Spring Batch application that consumes web service data and insert it in the MongoDB database.

December 12, 2018

by Anis Hajri

· 27,813 Views · 4 Likes

JVM Calendar: JDPR or Java Data Protection Recommendations

After GDPR, we offer some additional thoughts on data protection within Java applications.

December 12, 2018

by Erik Costlow

· 10,548 Views · 3 Likes

Java Convert Map to Array [Snippet]

Check out this code example to learn more about converting to arrays.

December 10, 2018

by Ramesh Fadatare

· 20,931 Views · 8 Likes

The JDKs: Which One to Use?

Need help deciding which JDK is right for you? Look no further.

December 10, 2018

by Fernando Almeida

· 113,614 Views · 46 Likes

Installing Maven With Your JDK

Apache Maven remains one of the most popular dependency managers in the world of Java.

December 7, 2018

by John Thompson

· 93,931 Views · 11 Likes

How to Fix Invalid Target Release: 1.7, 1.8, 1.9, or 1.10 Error in Maven Build

Trying to build a Java project with Maven but your build keeps failing? Here's why.

December 7, 2018

by Javin Paul

· 180,742 Views · 7 Likes

WeakHashMap in Java With Class Example

Let's take a closer look at the WeakHashMap implementation in Java.

December 7, 2018

by Ramesh Fadatare

· 20,718 Views · 15 Likes

The Right Way to Reverse a String in Java

Learn the right way to reverse a String.

Updated December 6, 2018

by Jonatan Ivanov

· 46,356 Views · 26 Likes

All Hibernate Annotations: Mapping Annotations

If you make use of Hibernate, then this exhaustive reference of hibernate annotations will come in handy.

Updated December 6, 2018

by Ramesh Fadatare

· 69,998 Views · 7 Likes

Why I Never Null-Check Parameters

Writing code with input parameters that are not null is not "safer" — it's the opposite.

December 4, 2018

by Robert Brautigam

· 95,651 Views · 30 Likes

The Dex File Format

Let's get to familiar with Dex files, which are about to get a lot smaller with the advent of D8.

Updated December 3, 2018

by Jamie Lynch

· 18,177 Views · 1 Like

Distributed Java Locks With Redis

Learn more about distributed locking and how to implement it in your projects!

December 3, 2018

by Nikita Koksharov

· 66,899 Views · 8 Likes

Hibernate 5 Java Configuration Example

Configuring Hibernate 5 is a snap.

December 3, 2018

by Ramesh Fadatare

· 185,085 Views · 13 Likes

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