5 Mar 2025
🔥 Data Types in Java
In Java, data types specify the type of data that a variable can hold. They are divided into two main categories:
1. Primitive Data Types
Data Type
--------------
- byte (Small integer (-128 to 127))
- short (Medium integer (-32,768 to 32,767))
- int (Large integer (-2^31 to 2^31-1))
- long (Very large integer (-2^63 to 2^63-1))
- float (Decimal numbers (6-7 digits precision))
- double (Decimal numbers (15 digits precision))
- char (Single character)
- boolean (True or False)
2. Non-Primitive Data Types (Reference Types)
Data Type
--------------
- String (Sequence of characters)
- Array (Collection of similar data types)
- Class (Blueprint for objects)
- Interface (Collection of abstract methods)
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