Web Reference: This beginner Java tutorial describes fundamentals of programming in the Java programming language Nov 11, 2025 · How to Declare Java Variables? The image below demonstrates how we can declare a variable in Java: From the image, it can be easily perceived that while declaring a variable, we need to take care of two things that are data type of the variable and name. How to Initialize Java Variables? 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
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