Web Reference: Jan 25, 2026 · In Java, wrapper classes allow primitive data types to be represented as objects. This enables primitives to be used in object-oriented features such as collections, generics, and APIs that require objects. 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. Wrapper classes provide a way to use primitive data types (int, boolean, etc..) as objects. The table below shows the primitive type and the equivalent wrapper class:
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