How-to articles, tricks, and solutions about JAVA
What's causing my java.net.SocketException: Connection reset?
A java.net.SocketException: Connection reset can be caused by a variety of issues, such as:
What's the difference between JPA and Hibernate?
Java Persistence API (JPA) is a specification for object-relational mapping (ORM) in Java.
What's the simplest way to print a Java array?
There are several ways to print an array in Java. Here are a few options: Using a loop
Where is array's length property defined?
In JavaScript, the length property of an array is defined on the Array.prototype.
Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
On macOS, the JAVA_HOME environment variable is typically set in the /etc/launchd.conf file.
Whitespace Matching Regex - Java
In Java, you can use the following regular expression to match any amount of whitespace: