Java Juniors BootCamp

Lessons

1. Introduction to Java

   Easy

   Dasharath Singh Shekhawat

   Java is a high-level, class-based, object-oriented programming language. It is designed to have as few implementation dependencies as possible, making it a versatile and platform-independent language. Java is widely used for building enterprise-level applications, mobile apps, and web applications.

   1. Demo: "Hello World" program.

      Difficult

      Dasharath Singh Shekhawat

2. Java Basics

   Easy

   Dasharath Singh Shekhawat

   Key Points: •Java program structure: class, main() method •Importance of semicolons and braces •Case sensitivity •Example Code:

   1. Demo: Basic calculator using input from the user.

      Difficult

      Dasharath Singh Shekhawat

      Key Points: Perform arithmetic operations based on user input Use Scanner and basic operators

3. Operators and Expressions

   Moderate

   Dasharath Singh Shekhawat

   1. Arithmetic Operators (+, -, *, /, %)

      Easy

      Dasharath Singh Shekhawat

   2. Relational Operators (==, !=, >, <, >=, <=)

      Moderate

      Dasharath Singh Shekhawat

   3. Logical Operators (&&, ||, !)

      Difficult

      Dasharath Singh Shekhawat

   4. Assignment Operators

      Difficult

      Dasharath Singh Shekhawat

   5. Demo: Program to compare two numbers.

      Difficult

      Dasharath Singh Shekhawat

4. Control Statements

   Moderate

   Dasharath Singh Shekhawat

   1. Conditional Statements (if, if-else, switch)

      Easy

      Dasharath Singh Shekhawat

   2. Looping Statements (for, while, do-while)

      Moderate

      Dasharath Singh Shekhawat

   3. Break and Continue

      Difficult

      Dasharath Singh Shekhawat

   4. Demo: Print the multiplication table of a number using a loop.

      Difficult

      Dasharath Singh Shekhawat

5. Arrays

   Difficult

   Dasharath Singh Shekhawat

   1. Introduction to Arrays

      Easy

      Dasharath Singh Shekhawat

   2. Single-dimensional and Multi-dimensional Arrays

      Moderate

      Dasharath Singh Shekhawat

   3. Array Operations (Insert, Delete, Traverse)

      Difficult

      Dasharath Singh Shekhawat

   4. Demo: Sum of elements in an array.

      Difficult

      Dasharath Singh Shekhawat

6. Object-Oriented Programming (OOPs) Concepts

   Moderate

   Dasharath Singh Shekhawat

   1. Classes and Objects

      Easy

      Dasharath Singh Shekhawat

   2. Constructors

      Moderate

      Dasharath Singh Shekhawat

   3. this keyword

      Moderate

      Dasharath Singh Shekhawat

   4. Methods and Method Overloading

      Difficult

      Dasharath Singh Shekhawat

   5. Demo: Create a class Student with attributes (name, roll number, marks) and methods to display details.

      Difficult

      Dasharath Singh Shekhawat

7. Inheritance and Polymorphism

   Difficult

   Dasharath Singh Shekhawat

   1. Introduction to Inheritance

      Easy

      Dasharath Singh Shekhawat

   2. super keyword

      Moderate

      Dasharath Singh Shekhawat

   3. Method Overriding

      Moderate

      Dasharath Singh Shekhawat

   4. Polymorphism

      Difficult

      Dasharath Singh Shekhawat

   5. Demo: Create a class Animal and derive classes Dog and Cat. Implement a common method sound().

      Difficult

      Dasharath Singh Shekhawat

8. Exception Handling

   Difficult

   Dasharath Singh Shekhawat

   1. What are Exceptions?

      Easy

      Dasharath Singh Shekhawat

   2. try, catch, finally blocks

      Moderate

      Dasharath Singh Shekhawat

   3. Common Exceptions in Java

      Difficult

      Dasharath Singh Shekhawat

   4. Demo: Handle division by zero using exception handling.

      Difficult

      Dasharath Singh Shekhawat

9. File Handling (Optional for Beginners)

   Difficult

   Dasharath Singh Shekhawat

   1. Introduction to File Handling

      Easy

      Dasharath Singh Shekhawat

   2. Reading and Writing to Files

      Moderate

      Dasharath Singh Shekhawat

   3. Demo: Create a file and write text into it.

      Difficult

      Dasharath Singh Shekhawat