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The process of creating a program is called coding or programming.
A procedural language focuses on a sequence of instructions, using functions or
procedures to perform tasks in an orderly manner.
An object-oriented language is a type of programming language that organises code
around objects and classes.
Java follows the Write Once, Run Anywhere (WORA) principle.
An object is an instance of a class that represents a real-world entity, such as a
telephone, mouse, or bag.
A class is a user-defined blueprint or template used to create objects.
BlueJ is an IDE specifically designed for beginners. It provides a simple and intuitive
interface for learning object-oriented programming concepts.
A Java compiler is a program that translates the source code written by us into
machine-readable code.
In Java, keywords are special reserved words that have a predefined meaning and cannot
serve as identifiers.
A data type tells you what type of value a variable can store and how much space it will
take.
A comment in a Java program is a piece of text that the Java compiler ignores.
Operators are used as symbols to direct the compiler or interpreter to carry out specific
mathematical, logical, or other operations.
Tech Trivia Section A (Objective)
A. Tick ( ) the correct option.
1. Which of the following is an example of object-oriented language?
a. Fortran b. C
c. Java d. Basic
2. Which feature of OOPS focuses on exposing only the essential features and behaviours of
an object while hiding the internal details?
a. Inheritance b. Abstraction
c. Polymorphism d. Abstraction
3. Which of the following identifier is invalid?
a. Class8 b. dateof_birth
c. fees d. 8class
64 TrackGPT iPRO (V5.0)-VIII

