Web Reference: Jun 27, 2023 · Java provides a wide range of data types to accommodate various kinds of data and operations. In this article, I will walk you through Java's data types and explain how they work. Java Variables Variables are containers for storing data values. In Java, there are different types of variables, for example: String - stores text, such as "Hello". String values are surrounded by double quotes int - stores integers (whole numbers), without decimals, such as 123 or -123 float - stores floating point numbers, with decimals, such as 19.99 or -19.99 char - stores single ... Jan 16, 2026 · Java is a statically typed programming language, which means the data type of every variable is known at compile time. The compiler enforces type safety and prevents invalid assignments such as:
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