Java Integers
In Java, integers are represented using primitive data types such as **int** and **long**. The **int** data type is a 32-bit signed integer, capable of storing values ranging from approximately -2 billion to 2 billion. The **long** data type is a 64-bit signed integer with a wider range, suitable for storing larger whole numbers. Integers are commonly used for various purposes in Java programming, including arithmetic calculations, indexing arrays, and representing numerical data. Understanding the characteristics and limitations of integer data types is crucial for writing efficient and correct Java programs. Additionally, Java provides classes such as **Integer** and **Long** in the **java.lang** package, which wrap primitive integer types and offer utility methods for working with integers as objects. These classes provide additional functionality, such as conversion between integer types, parsing strings into integers, and performing arithmetic operations on integer objects. Overall, integers play a fundamental role in Java programming, and understanding how to use them effectively is essential for developing robust and efficient Java applications.