Java tips

How to Create a Deep or a Shallow Copy in Java

In this article, we will discuss the differences between a deep copy and and shallow copy of an object in Java, and their implications.

Java Map: How to Get Sorted Keys

The LinkedHashMap class implements the Map interface and preserves the order in which the keys are inserted into it.

Java Double: Parse String with Comma

Parsing strings into Double values can be tricky sometimes. We show in this post some common scenarios and how to deal with them.