Unit_2_1_Java Data Types(1)

Character String

A sequence of characters treated as a single data type in programming.

String Literal

A fixed value represented by characters enclosed in double quotes.

println Method

A method used to print a string followed by a new line in Java.

print Method

A method used to print a string without advancing to a new line in Java.

String Concatenation Operator

The + operator used to combine two strings or a string with another data type.

Variable

A named storage location in memory that holds a value.

Assignment Statement

A statement that changes the value of a variable using the = operator.

Constant

An identifier whose value cannot be changed after its initial assignment.

Primitive Data Type

The basic data types provided by Java: byte, short, int, long, float, double, char, boolean.

Boolean Value

A value that represents either true or false.

Escape Sequences

Special character sequences in strings that represent characters that are not directly printable.

Character Set

An ordered list of characters, with each character assigned a unique number.

ASCII

A character encoding standard that uses a subset of Unicode, representing characters with 7 bits.

Unicode

A character encoding standard that defines characters for most of the world's writing systems using 16 bits.