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Questions and Answers
Which data type in Java is used to declare a single letter, digit, or a special character?
Which data type in Java is used to declare a single letter, digit, or a special character?
- char (correct)
- float
- int
- String
What is the main difference between a character literal and a string literal in Java?
What is the main difference between a character literal and a string literal in Java?
- Character literals are enclosed in double quotes, while string literals are enclosed in single quotes.
- String literals are enclosed in single quotes, while character literals are enclosed in double quotes.
- Character literals can represent words or sentences, while string literals represent single characters.
- Character literals represent single characters, while string literals represent multiple characters. (correct)
What term is used to refer to each individual element in a Java statement?
What term is used to refer to each individual element in a Java statement?
- Token (correct)
- Literal
- Data type
- Variable
Which of the following is used to represent a set of characters in Java?
Which of the following is used to represent a set of characters in Java?
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What is a variable in Java?
What is a variable in Java?
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Study Notes
Data Types in Java
- A
chardata type in Java is used to declare a single letter, digit, or a special character.
Literals in Java
- The main difference between a character literal and a string literal in Java is that a character literal is enclosed in single quotes (
') and represents a single character, while a string literal is enclosed in double quotes (") and represents a sequence of characters.
Java Statements
- Each individual element in a Java statement is referred to as a token.
Representing Characters in Java
- A character set is used to represent a set of characters in Java.
Variables in Java
- A variable in Java is a named storage location that holds a value that can vary during the execution of a program.
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Description
Test your knowledge about Java non-numeric data types, the differences between char and String data types, understanding tokens, and the concept of literals in Java programming.
