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# 🚀 Java Journey – Lecture Wise Programs

This repository contains my Java learning journey with lecture-wise programs.  
Each lecture folder has its own **Java programs** and folder link.

---

## 📘 Lecture 1 – Basics
- `Firstclass.java`   → Print pattern `*`
- `Variable.java`     → Arithmetic operations

📑 [Lecture 1 Folder](https://github.com/Tushar-3612/Java_Journey/tree/main/Leacture%201)

---

## 📘 Lecture 2 – Input & Operators
- `Assignment.java`   → Perimeter calculation  
- `Tabl.java`         → Multiplication table  
- `Calculator.java`   → Simple Calculator  
- `Input.java`        → Addition of two numbers

📑 [Lecture 2 Folder](https://github.com/Tushar-3612/Java_Journey/tree/main/Leacture%202)

---

## 📘 Lecture 3 – Conditional Statements
- `Age.java`          → Adult check  
- `Calculator.java`   → Menu-driven calculator  
- `Ifelse.java`       → Even / Odd check  
- `Switch.java`       → Hello / Namaste / IDK  
- `Month.java`        → Print month name  
- `Elseif.java`       → Compare two numbers

📑 [Lecture 3 Folder](https://github.com/Tushar-3612/Java_Journey/tree/main/Leacture%203)

---

## 📘 Lecture 4 – Loops
- `Assignment.java`   → Grade checker  
- `Do.java`           → Do-While loop  
- `Loop.java`         → Sum of numbers (for loop)  
- `While.java`        → Print 1 to 10 (while loop)

📑 [Lecture 4 Folder](https://github.com/Tushar-3612/Java_Journey/tree/main/Leacture%204)

---

##  📘 Assignment 1

# Java Assignment - Exercise 1

This folder contains solutions to basic Java function and loop practice problems.  
Each question is solved in a **separate `.java` file** for clarity.

---
## 📌 Questions

1. **Average of 3 Numbers**

2. **Sum of Odd Numbers (1 to n)**

3. **Greater of Two Numbers**  
   
4. **Circumference of Circle**  
  
5. **Voting Eligibility**  
   
6. **Infinite Loop using Do-While**

7. **Count Positive, Negative & Zeros**  
   
---

## 🚀 How to Run

1. Open any Java IDE (Eclipse, IntelliJ, VS Code) or terminal.  
2. Compile the file:  
   ```bash
   1st command in vs code javac FileName.java
   2nd command in vs code java FileName

---

## 📘 Lecture 5 – Patterns
- `Butterfly.java`  
- `HollowButterfly.java`  
- `Diamond.java`  
- `FloySTriangle.java`  
- `HalfPyramid.java`  
- `HalfPyramidWithNumbers.java`  
- `HalfPyramidWithReverseNumbers.java`  
- `InvertedHalfPyramid.java`  
- `InvertedHalfPyramidRotatedBy.java`  
- `HollowRectangle.java`  
- `SolidRectangle.java`  
- `Rhombus.java`  
- `HollowRhombus.java`  
- `NumberPyramid.java`  
- `NumberPyramide.java`  
- `PalindromicPattern.java`  
- `PascalTriangle.java`

📑 [Lecture 5 Folder](https://github.com/Tushar-3612/Java_Journey/tree/main/Leacture%205)

---

## 📘 Lecture 6 – Functions
- Addition using functions  
- Prime check function  
- Factorial function
- Table code
- Bionomial function
- Decimal To Binary
- Sum code 
- Sum And Average
- Swap Function
- Divison Code
- Prime Number Code

📑 [Lecture 6 Folder](https://github.com/Tushar-3612/Java_Journey/tree/main/Leacture%206)

---

## 📘 Lecture 7 – Arrays
- Array basics (input/output)  
- Largest / Smallest element in array  
- Sum of array elements
- Binary Search

📑 [Lecture 7 Folder](https://github.com/Tushar-3612/Java_Journey/tree/main/Leacture%207)

---

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