How-to articles, tricks, and solutions about JAVA
How do I join two lists in Java?
There are several ways to join two lists in Java. Here are a few options:
How to create a two-dimensional array in Java?
To create a two-dimensional array in Java, you can use the following syntax:
How to install the JDK on Ubuntu Linux
To install the JDK (Java Development Kit) on Ubuntu Linux, follow these steps:
How to directly initialize a HashMap in Java?
To directly initialize a HashMap in Java, you can use the put() method to add elements to the map.