Literals in Java

What are 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;