Wrapper class in java: In this tutorial

In this tutorial, we will learn about the Java Wrapper class with the help of examples. The wrapper classes in Java are used to convert primitive types (int, char, float, etc) into corresponding objects . A wrapper class wraps (encloses) around a data type and gives it an object appearance. Wrapper classes are final and immutable. Two concepts are there in the wrapper classes namely autoboxing and unboxing. Autoboxing is a procedure of converting a primitive value into an object of the corresponding wrapper class . This guide, explained about Wrapper classes API guide with examples. Learn what wrapper classes are, why they are needed, and how to use them in Java . Wrapper classes are objects that wrap primitive data types and provide methods to convert them to strings, compare them, and add them to collections.