Questions and Answers
Primitive data types in Java include boolean, char, byte, short, int, long, float, and ______
double
The non-primitive data types in Java include Classes, Interfaces, and ______
Arrays
The Boolean data type is used to store two possible values: ______ and false
true
The byte data type is an 8-bit signed two's complement integer with a value-range between -128 to ______
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The byte data type is used to save memory in large arrays where the memory savings is most ______
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Study Notes
Java Data Types Overview
- Data types in Java specify the sizes and values that can be stored in variables
- Two types of data types in Java: Primitive and Non-primitive
- Primitive data types in Java include boolean, char, byte, short, int, long, float, and double
- Non-primitive data types in Java include Classes, Interfaces, and Arrays
- Primitive data types are the building blocks of data manipulation in Java
- Java is a statically-typed programming language, requiring declaration of variables before use
- There are 8 types of primitive data types in Java
- Boolean data type is used to store true and false values, representing one bit of information
- Byte data type is an 8-bit signed two's complement integer, with a value-range of -128 to 127
- Byte data type is used to save memory in large arrays where memory savings is crucial
- Byte data type saves space as it is 4 times smaller than an integer
- Default value for byte data type is 0
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