Podcast
Questions and Answers
How can you swap two integers in Java without using a third variable?
How can you swap two integers in Java without using a third variable?
You can use arithmetic operations like a = a + b; b = a - b; a = a - b;
to swap them.
What is the command to check if a number is a palindrome in Java?
What is the command to check if a number is a palindrome in Java?
You can reverse the number and check if it equals the original number.
How would you find prime numbers from an array of integers in Java?
How would you find prime numbers from an array of integers in Java?
You can iterate through the array and check if each number is divisible only by 1 and itself.
What methods would you implement in a Stack class to facilitate push and pop operations?
What methods would you implement in a Stack class to facilitate push and pop operations?
Explain how inheritance works using the Publisher and Book classes as an example.
Explain how inheritance works using the Publisher and Book classes as an example.
What is method overloading and how can it be achieved in Java?
What is method overloading and how can it be achieved in Java?
How can you demonstrate the use of 'super' and 'this' keywords in Java?
How can you demonstrate the use of 'super' and 'this' keywords in Java?
What is the purpose of using final classes, abstract classes, and interfaces in Java?
What is the purpose of using final classes, abstract classes, and interfaces in Java?
What exception should you handle when dividing two integers in Java?
What exception should you handle when dividing two integers in Java?
Which Java class can be used to manage a collection of objects like books?
Which Java class can be used to manage a collection of objects like books?
What are the primary differences between object-oriented programming and procedure-oriented programming?
What are the primary differences between object-oriented programming and procedure-oriented programming?
Explain the concept of encapsulation in Java.
Explain the concept of encapsulation in Java.
What role do constructors play in Java programming?
What role do constructors play in Java programming?
Describe the significance of type casting in Java.
Describe the significance of type casting in Java.
How does Java implement polymorphism?
How does Java implement polymorphism?
What are the main control statements available in Java?
What are the main control statements available in Java?
What is the purpose of Java's switch
statement?
What is the purpose of Java's switch
statement?
Can you differentiate between continue
and break
statements in Java?
Can you differentiate between continue
and break
statements in Java?
What are literals in Java and how are they used?
What are literals in Java and how are they used?
Explain the significance of operator precedence in Java.
Explain the significance of operator precedence in Java.
What exception will be thrown when attempting to access an invalid index of an array in Java?
What exception will be thrown when attempting to access an invalid index of an array in Java?
In Java, which exception is thrown when a string cannot be parsed into a number?
In Java, which exception is thrown when a string cannot be parsed into a number?
What method could you use to store the current date when writing a double value to a text file in a Java program?
What method could you use to store the current date when writing a double value to a text file in a Java program?
What is the typical method for converting an ArrayList to an array in Java?
What is the typical method for converting an ArrayList to an array in Java?
In Java, what classes are commonly used to represent a calendar object and determine if a year is a leap year?
In Java, what classes are commonly used to represent a calendar object and determine if a year is a leap year?
How can regular expressions be utilized to extract integers and decimal values from a string in Java?
How can regular expressions be utilized to extract integers and decimal values from a string in Java?
What interface in Java allows you to define the priority of threads?
What interface in Java allows you to define the priority of threads?
What Java component would you use to create a menu with items like New, Open, and Save?
What Java component would you use to create a menu with items like New, Open, and Save?
What class would you use to implement a linked list structure in Java?
What class would you use to implement a linked list structure in Java?
What are two common problems addressed by multi-threading in banking applications?
What are two common problems addressed by multi-threading in banking applications?
What is the primary purpose of using the super
keyword in Java?
What is the primary purpose of using the super
keyword in Java?
How does variable shadowing occur in Java?
How does variable shadowing occur in Java?
What is the purpose of the final
keyword in the context of a class?
What is the purpose of the final
keyword in the context of a class?
Differentiate between an abstract class and an interface in Java.
Differentiate between an abstract class and an interface in Java.
What are the main components of exception handling in Java?
What are the main components of exception handling in Java?
Explain the role of the InputStream
and OutputStream
classes in Java I/O.
Explain the role of the InputStream
and OutputStream
classes in Java I/O.
What is the significance of using the Runnable
interface in Java's multithreading?
What is the significance of using the Runnable
interface in Java's multithreading?
Describe the AWT event delegation model.
Describe the AWT event delegation model.
What is the function of layout managers in Java GUI applications?
What is the function of layout managers in Java GUI applications?
What is the difference between ArrayList
and LinkedList
in the Collection Framework?
What is the difference between ArrayList
and LinkedList
in the Collection Framework?
Flashcards
Object-Oriented Programming (OOP)
Object-Oriented Programming (OOP)
A programming paradigm that emphasizes objects and their interactions.
Class
Class
A blueprint for creating objects; defines data and behavior.
Object
Object
An instance of a class; a concrete realization of the blueprint.
Encapsulation
Encapsulation
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Abstraction
Abstraction
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Inheritance
Inheritance
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Polymorphism
Polymorphism
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Data Types
Data Types
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Operators
Operators
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Control Statements
Control Statements
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ArrayIndexOutOfBoundsException
ArrayIndexOutOfBoundsException
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NumberFormatException
NumberFormatException
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ArithmeticException
ArithmeticException
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File Handling
File Handling
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ArrayList
ArrayList
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Calendar Class
Calendar Class
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Regular Expression
Regular Expression
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Threads
Threads
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Thread.sleep() method
Thread.sleep() method
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String
String
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Classes in Java
Classes in Java
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Exception Handling
Exception Handling
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Final Class
Final Class
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Abstract Class
Abstract Class
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Interface
Interface
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Method Overloading
Method Overloading
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References (in Java)
References (in Java)
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Constructor (in Java)
Constructor (in Java)
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Sub Classing
Sub Classing
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Try, Catch, Throw, Throws, Finally
Try, Catch, Throw, Throws, Finally
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Throwable Class
Throwable Class
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Object Class
Object Class
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Package
Package
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Access Control / Visibility
Access Control / Visibility
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Using 'Super' Keyword
Using 'Super' Keyword
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Study Notes
Java Programming Syllabus
- Course Type: MCA, M.Sc. (IT)
- Prerequisites: Knowledge of C and C++
- Rationale: To learn fundamental Java programming concepts
- Teaching Scheme (Weeks):
- Lectures (Lect): 60 hours
- Tutorials (Tut): 30 hours
- Labs (Lab): 20 hours
- Examination Scheme:
- Internal (Internal): 20 marks
- External (External): 80 marks
- Total Credits: 4
- Total Practical Hours: 20 Practical Hours
Java Fundamentals
- Data Types, Operators, Statements:
- Paradigms of programming (OOP, Procedure-oriented)
- Object-Oriented Programming Concepts (OOP including: classes, objects, abstraction, encapsulation, inheritance, and polymorphism)
- Java Environment and Structure
- Data types, variables, literals, characters, arrays, symbolic constants
- Type casting (conversions in Java)
- Arithmetic, Assignment, Relational, Boolean, logical Operators
- Control statements (selection statements, switch, nested switch, iteration, continue, return in Java)
- Weightage: 20%
- Teaching Hours: 8
Java OOP Concepts
- Inheritance, Subclassing, Package:
- Inheritance concepts
- Defining sub-classes, method overriding, using super keyword
- Variable shadowing
- Method and variable binding
- Using final keyword
- Abstract classes and interfaces
- Object class
- Packages (creating a package and defining CLASSPATH)
- Access specifiers (access control)
- Access Visibility
- Weightage: 20%
- Teaching Hours: 8
Exceptions, Collections, IO, and Multi-threading
- Exception Handling
- Exception types (Throwable, checked, unchecked, user-defined)
- Exception handling keywords (try, catch, throw, throws, finally)
- Collection framework (Collections, List, Set, Enumeration, Iterator, ArrayList)
- Input/Output (IO):
- File class, directory creation, basic input/output, streams (byte and character)
- Reading from/writing to console, files (PrintWriter)
- Multi-threading:
- Introduction to multi-threading
- Thread class and execution
- Runnable interface
- ThreadGroup, Daemon threads, Thread states
- Weightage (combined): 15%
- Teaching Hours: 8 + 8 = 16 hrs
GUI Programming and Applets
- GUI (Graphical User Interface):
- AWT (Abstract Window Toolkit) and Swing
- Fundamentals of applets
- Applet class, applet life cycle
- DocumentBase, CodeBase, AppletContext
- AppletStub Interface & Working with Frames, Windows, Graphics, Colors, and Fonts
- AWT Controls: Buttons, checkbox, choice, lists, text fields
- Layout Managers: Flow, Grid, Border Layout
- Event Handling: Event classes, event listener interfaces, Adapter classes
- Weightage: 30%
- Teaching Hours: 13
Continuous Evaluation
- Continuous evaluation consists of assignments, seminars, presentations, quizzes, surprise tests (summative and MCQ type).
Java Programming Topics (Page 3 and 4)
-
Key practical topics include: writing programs for loops, arrays, classes, inheritance, method overloading, exception handling, file handling, collection frameworks, calendar class, regular expressions, multi-threading, AWT, Swing, and applets. Specific examples are provided concerning such tasks:
- Swapping, data validation using exceptions handling, Factorial, palindrome check, prime number validation
- Method Parameters: Method Overloading
- File Handling file operations (read, write, create, delete files), working with text files, data conversion.
- Collection framework: ArrayList, display content and sum, creating a class named Address and creating a Maillist with Linked List, Iterator operations.
- Creating a Calendar, leap year identification
- GUI Programming: AWT, Swing, applets, event handling, user interface design with menus, buttons, radio buttons, etc.
- Multithreading: Handling threads and their attributes (name, priority), and sleep method for scheduling
-
Reference Books: provided.
-
Useful Links: provided.
-
Course Outcome: Upon completing the course, students will be proficient in implementing Java programming techniques.
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