Previous year question paper for JAVA (BSC-IT 4th)

FUNDAMENTALS OF OBJECT-ORIENTED PROGRAMMING :- Introduction; Object-Oriented

Paradigm; Basic Concepts of Object-Oriented Programming (Objects and Classes, Data

abstraction and encapsulation, Inheritance, Polymorphism, Dynamic binding, Message

communication); Benefits of OOP; Applications of OOP.

JAVA EVOLUTION :- Java History; Java Features (Compiled and interpreted,

Platformindependent

and portable, Object-oriented, Robust and secure, Distributed, Simple, small and

familiar, Multithreaded and interactive, High performance, Dynamic and extensible); How Java

Differs from C and C++ (Java and C, Java and C++); Java and Internet, Java and World Wide

Web, Web Browsers (Hot Java, Netscape Navigator, Internet Explorer); Hardware and Software

Requirements; Java Support Systems, Java Environment (Java development kit, Java standard

library).

OVERVIEW OF JAVA LANGUAGE :- Introduction; Simple Java Program (Class declaration,

Opening brace, The main line, The output line); More of Java (Use of math functions,

Comments); An application with Two Classes; Java Program Structure (Documentation section,

Package statement, Import statements, Interface statements, Class definitions, Main method

class); Java Tokens (Java character set, Keywords, Identifiers, Literals, Operators, Separators);

Java Statements; Implementing a Java Program (Creating the program, Compiling the program,

Running the program, Machine neutral); Java Virtual Machine; Command Line Arguments;

Programming Style.

CONSTANTS, VARIABLES AND DATA TYPES :- Introduction; Constants (Integer constants,

Real constants, Single character constants, String constants, Backlash character constants);

Variables; Data Types (Integer types, Floating point type, Character type, Boolean type);

Declaration of Variables; Giving Values to Variables (Assignment statement, Read statement);

Scope of Variable; Symbolic Constants (Modifiability, Understandability); Type Casting

(Automatic conversion); Getting Values of Variables; Standard Default Values.

OPERATORS AND EXPRESSIONS :- Introduction; Arithmetic Operators (Integer arithmetic ,

Real arithmetic, Mixed-mode arithmetic); Relational Operators; Logical Operators; Assignment

Operators; Increment and Decrement Operators; Conditional Operators; Bit-wise Operators;

Special Operators (instance of operator, Dot operator); Arithmetic Expressions; Evaluation of

Expressions; Precedence of Arithmetic Operator; Type Conversions in Expressions (Automatic

type conversion, Casting a value); Operator Precedence and Associativity; Mathematical

Functions.

DECISION MAKING AND BRANCHING :- Introduction; Decision Making with if Statement;

Simple if Statement; The if…..else Statement; Nesting of if…..else Statements; The else if

Ladder; The switch statement; The ?: Operator.

DECISION MAKING AND LOOPING :- Introduction; The while Statement; The do Statement;

The for Statement (Additional features of for loop, Nesting of for loops); Jumps in Loops (Jumping

out of a loop, Skipping a part of a loop); Labeled Loops.

CLASSES, OBJECTS AND METHODS :- Introduction; Defining a Class; Adding Variables;

Adding Variables; Adding Methods; Creating Objects; Accessing Class Members; Constructors;

Methods Overloading; Static Members; Nesting of Methods; Inheritance: Extending a Class

(Defining a subclass, Subclass constructor, Multilevel inheritance, Hierarchical inheritance);

Overriding Methods; Final Variables and Methods; Final Classes; Finalizer Methods; Abstract

Methods and Classes; Visibility Control (public access, friendly access, protected access, private

access, private protected access, Rules of Thumb).

ARRAYS , STRINGS AND VECTORS :- Arrays; One-Dimensional Arrays; Creating an Array

(Declaration of arrays, Creation of arrays, Initialization of arrays, Array length); Two-Dimensional

Arrays (Variable size arrays); Strings (String arrays, String methods, StringBuffer class);

Vectors; Wrapper Classes.

INTERFACES: Introduction; Defining Interfaces; Extending Interfaces; Implementing Interfaces;

Accessing Interface Variables.

PACKAGES: Introduction; System Packages; Using System Packages; Naming Conventions;

Creating Packages; Accessing a Package; Using a Package; Adding a Class to a Package;

Hiding Classes.

MANAGING ERRORS AND EXCEPTIONS :- Introduction; Types of Errors (Compile-time error,

Run-time error); Exceptions; Syntax of Exception Handling Code; Multiple Catch Statements;

Using finally Statement; Throwing Our Own Exceptions; Using Exceptions for Debugging.

APPLET PROGRAMMING :- Introduction; How Applets Differ from Applications; Preparing to

Write Applets; Building Applet Code; Applet Life Cycle (Initialization state, Running State, Idle or

stopped state, Dead state, Display state); Creating an Executable Applet; Designing a Web Page

(Comment Section, Head Section, Body Section); Applet Tag; Adding Applet to HTML File;

Running the Applet; More About Applet Tag; Passing Parameters to Applets; Aligning the

Display; More about HTML Tags; Displaying Numerical Values; Getting Input from the User

(Program analysis).

GRAPHICS PROGRAMMING :- Introduction; The Graphics Class; Lines and Rectangles;

Circles and Ellipses; Drawing Arcs; Drawing Polygons; Line Graphs; Using Control Loops in

Applets; Drawing Bar Charts.