publicando una clase

 En java:

/**
 * @(#)Text1.java
 *
 *
 * @Martha Fer IC. Rairame
 * @version 1.00 2021/4/9
 */


import java.util.Scanner;

import java.util.StringTokenizer;

 

public class Tokens{

public static void main(String[ ]args) {

   Scanner keyboard = new Scanner(System.in);

    System.out.println("ingresa tu nombre y tu apellido");

    String delimiters = " , ";

    String inputLine = keyboard.nextLine();

    StringTokenizer nameFactory = new StringTokenizer (inputLine , delimiters);

    String nombre = nameFactory.nextToken();

    String apellido = nameFactory.nextToken();

    System.out.println("Hola"+nombre+" "+ apellido);

}

}

 

Calculo de temperatura: 

package celsius;

import java.util.Scanner;

 

public class celsius {

double gradosF;

double gradosC = (gradosF-32)/9;

public static void main (string [] args) {

 Scanner keyboard = new scanner(System.in);

    System.out.prntln("ingresa el valor en grados F") ;

gradosF= keyboard.nextDouble();

    System.out.prntln("El valor en grados C, es:" + gradosC) ;

}

} 

Programación en c sharp: 

using System;
using System.Drawing;
using System.Drawing.Imaging;
class Example_SetJPEGQuality
{
    public static void Main()
    {
        Bitmap myBitmap;
        ImageCodecInfo myImageCodecInfo;
        Encoder myEncoder;
        EncoderParameter myEncoderParameter;
        EncoderParameters myEncoderParameters;
                     
        // Create a Bitmap object based on a BMP file.
        myBitmap = new Bitmap("Shapes.bmp");
                     
        // Get an ImageCodecInfo object that represents the JPEG codec.
        myImageCodecInfo = GetEncoderInfo("image/jpeg");
                     
        // Create an Encoder object based on the GUID
                     
        // for the Quality parameter category.
        myEncoder = Encoder.Quality;
                     
        // Create an EncoderParameters object.
                     
        // An EncoderParameters object has an array of EncoderParameter
                     
        // objects. In this case, there is only one
                     
        // EncoderParameter object in the array.
        myEncoderParameters = new EncoderParameters(1);
                     
        // Save the bitmap as a JPEG file with quality level 75.
        myEncoderParameter = new EncoderParameter(myEncoder, 75L);
        myEncoderParameters.Param[0] = myEncoderParameter;
        myBitmap.Save("Shapes075.jpg", myImageCodecInfo, myEncoderParameters);
    }
    private static ImageCodecInfo GetEncoderInfo(String mimeType)
    {
        int j;
        ImageCodecInfo[] encoders;
        encoders = ImageCodecInfo.GetImageEncoders();
        for(j = 0; j < encoders.Length; ++j)
        {
            if(encoders[j].MimeType == mimeType)
                return encoders[j];
        }
        return null;
    }
}

ref: https://docs.microsoft.com/es-es/dotnet/api/system.drawing.image.save?view=dotnet-plat-ext-5.0