package com.example;

class HelloCodiva {

  public static void main(String[] args) {

    xdxd nwm = new xdxd();
    System.out.print(nwm.dodaj(10,2)+"\n");
    System.out.print(nwm.odejmij(10,2)+"\n");
    System.out.print(nwm.pomnoz(10,2)+"\n");
    System.out.print(nwm.podziel(10,2)+"\n");
  }

}



package com.example;

public class xdxd {

  public static int dodaj(int a, int b){
    return a+b;
  }
  public static int odejmij(int a, int b){
    return a-b;
  }
  public static int pomnoz(int a, int b){
    return a*b;
  }
  public static float podziel(int a, int b){
    return a/b;
  }
}