// Atithmetic Operations in Java

public class MyClass {
  public static void main(String args[]) {
     
     // declaring variables 
     int add, sub, div, mul, rem;
     
     // Declaring two varables
     int x=4;
     int y=2;
     
     // performing Operations
     add = x+y;    // Addition 
     sub = x-y;     // Subtraction
     div = x/y;      // Division
     mul = x+y;     // Multiply 
     rem= x%y;     // reminder
     
     // Showing results
     System.out.println("4 + 2 = "+ add);
     System.out.println("4 - 2 = "+ sub);
     System.out.println("4 * 2 = "+ mul);
     System.out.println("4 / 2 = "+ div);
     System.out.println("4 % 2 = "+ rem);
  }
}

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// Factotial from recursion in java

import java.util.Scanner;

public class Main {
public static void main(String[] args) {
  
Scanner s = new Scanner(System.in);
System.out.print("Enter Number: " );
int n = s.nextInt();
if(n>26)
System.out.print("Please enter number less than 25\n" );
else{
  
System.out.println("Showing factorial for "+ n + " Number" );
System.out.print("\n" +Main.f(n));
}
}

// Factorial value calculation + series printing
static long f(long n){
  if (n==1){
   System.out.print(n);
     return n;
  }
  else{
     System.out.print(n + " * ");
     return n*f(n-1);
   }
}

}  // @Java_Codes_Pro

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// Run and see bharateey flag clolours

public class Main{
 public static void main(String[] args){

System.out.println(" Ye Hain\n bharat ke flag\n\"ke colours\"");
 }
}

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It supports short coding 👇

For upper part of java you can simply write

"Start"

And for lower part

"End"

Then in middle you can write java code

But one thing more
You don't need to write big print statement like

System.out.println();

Just write

pt

And then your code without parenthesis

Full example

"Start"
Pt "hi this is mine short java"
"End"

You can run this code on @codeCompiler_bot using
/jv command

You can convert this code in real java code by using
/rjv command

Here is more short code example

import java.util.Scanner;

"Start"
        Scanner scanner = new Scanner(System.in);

        Pt"Enter an integer: "
        int number = scanner.nextInt();

        Pt"You entered: " + number

        scanner.close();

  "End"

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40+ String methods of java 👇
(Share)

// 1. length()

public class StringLengthExample {
    public static void main(String[] args) {
        String str = "Hello, World!";
        int length = str.length();
        System.out.println("Length of the string: " + length);
    }
}

// 2. toUpperCase()

public class UpperCaseExample {
    public static void main(String[] args) {
        String str = "Hello, World!";
        String upperCaseString = str.toUpperCase();
        System.out.println("Uppercase string: " + upperCaseString);
    }
}

// 3. toLowerCase()

public class LowerCaseExample {
    public static void main(String[] args) {
        String str = "Hello, World!";
        String lowerCaseString = str.toLowerCase();
        System.out.println("Lowercase string: " + lowerCaseString);
    }
}

// 4. equals()

public class StringEqualityExample {
    public static void main(String[] args) {
        String str1 = "hello";
        String str2 = "HELLO";
        boolean isEqual = str1.equals(str2);
        System.out.println("Are strings equal? " + isEqual);
    }
}

// 5. substring()

public class SubstringExample {
    public static void main(String[] args) {
        String str = "Hello, World!";
        String substring = str.substring(7);
        System.out.println("Substring from index 7: " + substring);
    }
}

// 6. indexOf()

public class IndexOfExample {
    public static void main(String[] args) {
        String str = "Hello, World!";
        int index = str.indexOf('o');
        System.out.println("Index of 'o': " + index);
    }
}

// 7. replace()

public class ReplaceExample {
    public static void main(String[] args) {
        String str = "Hello, World!";
        String replacedString = str.replace('l', 'z');
        System.out.println("String after replacement: " + replacedString);
    }
}

// 8. contains()

public class ContainsExample {
    public static void main(String[] args) {
        String str = "Hello, World!";
        boolean contains = str.contains("World");
        System.out.println("Does the string contain 'World'? " + contains);
    }
}

// 9. trim()

public class TrimExample {
    public static void main(String[] args) {
        String spacedString = "   Some spaces   ";
        String trimmedString = spacedString.trim();
        System.out.println("Trimmed string: '" + trimmedString + "'");
    }
}

// 10. isEmpty()

public class IsEmptyExample {
    public static void main(String[] args) {
        String emptyString = "";
        boolean isEmpty = emptyString.isEmpty();
        System.out.println("Is the string empty? " + isEmpty);
    }
}