public class Temperature{

  // names for the different temperature scales
  public static String[] scales = {"Celsius", "Fahrenheit", "Kelvin"};
  private double temp;
  private String scale;
 // private char unit
  /* ----------------------------------------------------
   * constructors
   * ----------------------------------------------------
   */

  public Temperature(double temp){
    // - creates a temperature object with given value in Celsius
    this.temp = temp;
    this.scale = scales[0];
  }
  public Temperature(double temp, String scale){
    // - creates a temperature object with given temp using the given scale
    // - scale must be one of the three strings in the scales attribute
    //   OR the the first letter of the name (upper case)
    //   Examples: new Temperature(12.3, "K")
    //             new Tempersture(-90.2, "Celsius")
    this.temp = temp;
    this.scale = scale;



  }

  /* ----------------------------------------------------
   * methods
   * ----------------------------------------------------
   */

  public char getScale(){
    // - returns the current scale of the object
    //   as a single character
    //   'C' for Celsuius, 'F' for Fahrenheit, 'K' for Kelvin

    // add your code and return the correct char

    char unit=' ';

    if(this.scale.equals(scales[0]) || this.scale.equals("C")){
        unit= 'C';
    }
    else if(this.scale.equals(scales[1]) || this.scale.equals("F")){
        unit='F';
    }
    else if (this.scale.equals(scales[2]) || this.scale.equals ("K")){
        unit='K';
    }
    return unit;
  }

  public double getTemp(){
    // - returns the object's temperature using its current scale
    return this.temp;
  }



  public void setScale(String scale){
    // - scale must be one of the three strings in the scales attribute
    //   OR the first letter of the name (see the second constructor)
    // - sets the scale of the current object
    if(this.scale.equals(scales[0]) || this.scale.equals("C")){

        if(scale.equals(scales[1]) || scale.equals("F")){
            // converting from c to f
            this.temp = (this.temp*9/5)+32;
            this.scale = scale;
        }
        else if (scale.equals(scales[2]) || scale.equals("K")){
                // converting c to k
            this.temp = this.temp+273.15;
            this.scale = scale;
        }
    }
    else if(this.scale.equals(scales[1]) || this.scale.equals("F")){
        if(scale.equals(scales[0]) || scale.equals("C")){
            // converting from f to c
            this.temp = (this.temp-32) *5/9;
            this.scale = scale;

        }
        else if (scale.equals(scales[2]) || scale.equals("K")){
                // converting f to k
            this.temp = (this.temp+459.67)*5/9;
            this.scale = scale;
        }
    }
    else if (this.scale.equals(scales[2]) || this.scale.equals("K")){
        if(scale.equals(scales[0]) || scale.equals("C")){
            // converting from k to c
         this.temp = this.temp-273.15;
         this.scale = scale;
        }

        else if (scale.equals(scales[1]) || scale.equals("F")){
                // converting k to f
            this.temp = (this.temp *9/5)-459.67;
            this.scale=scale;
        }
    }
  }








  public void setTemp(double temp){
    // - sets the objects temperature to that specified using the
    //   current scale of the object
    this.temp = temp;
    }

  public void setTemp(double temp, char scale){
    // - sets the objects temperature to that specified using the
    //   specified scale ('K', 'C' or 'F')
    this.temp = temp;
    if(scale == 'K'){
            this.scale = "K";
        }
    else if(scale == 'C'){
        this.scale = "C";
        }
    else if(scale == 'F'){
        this.scale = "F";
        }
  }

  public void setTemp(double temp, String scale){
    // - sets the objects temperature to that specified using the
    //   specified scale
    // - scale must be one of the three strings in the scales attribute
    //   OR the the first letter of the name (upper case)
    this.temp = temp;
    this.scale = scale;
    }








  /* do not change anything below this line */
  /* -------------------------------------- */

  /* string representation of object */
  public String temp(){
    return "" + this.getTemp() + this.getScale();
  }



  /* Override the toString() method                                */
  /* with this we will not need the temp() method from above       */
  /* we will cover this soon!                                      */
  /* you do not need to use this for this assignment!              */
  @Override
  public String toString(){
    return "" + this.getTemp() + this.getScale();
  }

}