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Questions and Answers
What is the size of the 'int' primitive data type in Java?
What is the size of the 'int' primitive data type in Java?
- 1 byte
- 2 bytes
- 4 bytes (correct)
- 8 bytes
Which primitive data type in Java is used to store single text characters?
Which primitive data type in Java is used to store single text characters?
- byte
- float
- boolean
- char (correct)
What is the maximum value that can be stored in a 'long' primitive data type in Java?
What is the maximum value that can be stored in a 'long' primitive data type in Java?
- 2^63 – 1 (correct)
- 2^27 - 1
- 2^10308
- 2^31 - 1
Which primitive data type in Java is used to store logical values?
Which primitive data type in Java is used to store logical values?
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What is the size of the 'float' primitive data type in Java?
What is the size of the 'float' primitive data type in Java?
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Study Notes
Problem Solving and Programming Concepts
- Objectives of the lesson include understanding data and data types, naming conventions, using variables to store data, using constants, and writing expressions using Java operators.
- The lesson also covers being familiar with Java documentation and programming style.
Fundamental Building Blocks of Programs
- There are two basic aspects of programming: data and instructions.
- To work with data, you need to understand variables and types.
- To work with instructions, you need to understand control structures and subroutines.
Variables and Data Types
- Variables are used to store data in a program.
- Variables represent a value stored in the computer's memory.
- A variable is a memory location that has been given a name.
- Variables are for representing data of a certain type.
- Type refers to a category or set of data values.
- Data type refers to the type of data that can be stored.
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Description
Test your knowledge on primitive data types, variable naming, assignment statements, and Java operators with this quiz. This quiz covers essential concepts in problem solving and programming.
