https://github.com/pushpenderindia/java-cheat-sheet

Java Cheat Sheet : Comprehensive Java Programming Guide With Mini Projects | Best for people, who are coming from other programming language or Just want a quick Refresh
https://github.com/pushpenderindia/java-cheat-sheet

comprehensive-guide java-cheat-sheet java-cheatsheet java-mini-projects learn-java-fundamentals

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Java Cheat Sheet : Comprehensive Java Programming Guide With Mini Projects | Best for people, who are coming from other programming language or Just want a quick Refresh

• Host: GitHub
• URL: https://github.com/pushpenderindia/java-cheat-sheet
• Owner: PushpenderIndia
• Created: 2020-04-19T02:51:40.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2020-04-19T03:52:31.000Z (over 4 years ago)
• Last Synced: 2024-05-01T17:30:42.984Z (8 months ago)
• Topics: comprehensive-guide, java-cheat-sheet, java-cheatsheet, java-mini-projects, learn-java-fundamentals
• Size: 434 KB
• Stars: 21
• Watchers: 1
• Forks: 9
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Java Cheat Sheet

Comprehensive **Java Programming** Guide With **Mini Projects** | Best for people, who are coming from other programming language or Just want a **quick Refresh**

## Topics Covered

1. HelloWorld Program

2. Comments In Java

3. Print Methods In Java

4. Variables In Java

5. DataTypes In Java

6. Operators In Java

7. Type Casting In Java

8. Taking Input from User In Java 

9. Strings & Its Function In Java	 		 

10. Math Class In Java

11. Conditions In Java  

12. Loop In Java       

13. Arrays In Java      

14. Try-catch In Java  

## PDF 

[Java Cheat Sheet](https://github.com/Technowlogy-Pushpender/Java-Cheat-Sheet/blob/master/java-cheat-sheet-comprehensive-guide.pdf)

## Mini Projects 

* Multi Operator Calculator

```

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

	

		String choice = "yes";

		while(choice == "yes") {

			System.out.println("\n\n[?] Enter 1st Number :");

			Scanner scan = new Scanner(System.in);

			float num1 = scan.nextInt();

			

			System.out.println("[?] Enter 2nd Number :");

			float num2 = scan.nextInt();

			

			System.out.println("[Choose From List] : \n\t(M)ultiply\n\t(D)ivide\n\t(S)um\n\t(Su)btract\n");

			Scanner scan1 = new Scanner(System.in);

			String operator = scan1.nextLine();

			operator = operator.toLowerCase();

			

			switch(operator) {

				case "m":

					System.out.print("[+] Multiple of 1st & 2nd is ");

					System.out.print(num1 * num2);

					break;

				case "d":

					System.out.print("[+] Divide of 1st & 2nd is ");

					System.out.print(num1 / num2);

					break;

				case "s":

					System.out.print("[+] Sum of 1st & 2nd is ");

					System.out.print(num1 + num2);

					break;

				case "su":

					System.out.print("Subtract of 1st & 2nd is ");

					System.out.print(num1 - num2);

					break;

				default:

					System.out.println("Invalid Input !");

					

			} // switch

			

		} // While Loop

	

	} // main()

} // Main()

```