Flashcards: Java Programming Basics — 11 cards

What is Java in programming?

Java is a high-level, object-oriented programming language.

Java Program Structure

Class with main() method as entry point.

What is the basic unit of a Java program?

A class is the basic unit of a Java program.

Java Data Types

Primitive and reference categories.

What are the two main categories of Java data types?

Primitive data types and reference data types.

Primitive data types

Include int, double, char, boolean.

Which Java data types are examples of reference types?

Arrays, classes, and interfaces.

Variables versus Constants

Variables can change; constants cannot.

Type casting

Converting one data type to another.

Widening conversion

Implicit, higher-precision, no data loss.

Class keyword

Defines a class in Java.