Convert HashSet to TreeSet in Java

In this post, we will see how to convert HashSet to TreeSet in Java. The resultant TreeSet should contain all elements of the HashSet, sorted by their natural ordering.

Copy Objects in Java

In this post, we will discuss various methods to copy objects in Java. Copying an object is creating a copy of an existing object in order to modify or move the copied object without impacting the original object.

Serialization in Java

In this post, we will discuss about Serialization in Java with the help of Serializable Interface and Apache commons Lang’s SerializationUtils Class.

Merge Multiple Sets in Java

In this post, several methods are discussed to merge multiple sets in Java into a single set using plain Java, Java 8, Guava and Apache Commons.   Please note that duplicate elements present in any set will be discarded during the merge operation.

Serialization of Java Objects using Jackson Library

In this post, we will discuss Serialization and deserialization of Java objects of Java objects using Jackson library by converting Java Objects into their JSON representation and then JSON to an equivalent Java object.