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Literals in Java - Java Notes in English Notes

Quick Summary & Key Takeaways

• Subject Focus: Java Notes in English (BCA / B.Tech Syllabus)

• Core Topic: Literals in Java - General Topics

• Overview: What are Literals in Java? A literal is a source code representation of a fixed value. In other words, literals are the constant values that you assign...

• Key Concepts: Java literals, Integer floating character string Hindi, Boolean literals,

What are Literals in Java?

A literal is a source code representation of a fixed value. In other words, literals are the constant values that you assign directly to variables in your code.

Types of Literals in Java:

Integer Literals: Represent whole numbers.
- Decimal (base 10): int num = 101;
- Octal (base 8, starts with 0): int num = 0146;
- Hexadecimal (base 16, starts with 0x): int num = 0x65;
- Binary (base 2, starts with 0b): int num = 0b1100101;
- To specify a long literal, append an `L` or `l`: long bigNum = 3000000000L;
Floating-Point Literals: Represent numbers with decimal points.
- Default to double: double pi = 3.14159;
- To specify a float, append an `f` or `F`: float price = 29.95f;
Character Literals: Represent a single character, enclosed in single quotes.
- char letter = 'A';
- Can also use escape sequences for special characters: char newline = ' ';
String Literals: Represent a sequence of characters, enclosed in double quotes.
- String greeting = "Hello, World!";
Boolean Literals: Represent the logical values of `true` and `false`.
- boolean isLoggedIn = true;
Null Literal: Represents a `null` reference, meaning a variable that does not point to any object.
- String name = null;

Frequently Asked Questions (FAQs)

What are Literals in Java?.

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Literals in Java

Quick Summary & Key Takeaways

What are Literals in Java?

Frequently Asked Questions (FAQs)

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