import java.util.Scanner;
public class HelloWorld{
public static void main
(String[] args
){
int licznik = 0;
int licznik2 = 0;
do {
double a, b;
Scanner odczyt
= new Scanner
(System.
in);
Scanner odczyt2
= new Scanner
(System.
in);
Scanner operacja
= new Scanner
(System.
in);
Scanner decyzja
= new Scanner
(System.
in);
System.
out.
println("Podaj liczbe a: ");
a = odczyt.nextDouble(); // a =
System.
out.
println("Podaj liczbe b: ");
b = odczyt2.nextDouble();
System.
out.
println("Jakie dzialanie chcesz wykonac?\nMN - mnozenie\nDZ - dzielenie\nD - dodawanie\nOD - odejmowanie\n% - procent liczby a");
dzialanie = operacja.nextLine();
dzialanie = dzialanie.toUpperCase();
if (dzialanie.equals("MN")) {
double mnozenie = a * b;
System.
out.
println("\nLiczba " + a
+ " pomnozona przez " + b
+ " to " + mnozenie
+ "\n");
} else if (dzialanie.equals("DZ")) {
double dzielenie = a / b;
System.
out.
println("Liczba " + a
+ " podzielona przez " + b
+ " to " + dzielenie
+ "\n");
} else if (dzialanie.equals("OD")) {
double odejmowanie = a - b;
System.
out.
println("Liczba " + b
+ " odjeta od liczby " + a
+ " to " + odejmowanie
+ "\n");
} else if (dzialanie.equals("D")) {
double dodawanie = a + b;
System.
out.
println("Liczba " + a
+ " dodana do liczby " + b
+ " to " + dodawanie
+ "\n");
} else if (dzialanie.equals("%")){
double procenty = (b/100)*a;
System.
out.
println(b
+"% z liczby "+a
+" to "+procenty
+"\n");
} else {
System.
out.
println("Bledny kod operacji");
}
do {
System.
out.
println("Czy chcesz kontynuowac? T/N ");
taknie = decyzja.nextLine();
taknie = taknie.toUpperCase();
if (taknie.equals("N")) {
licznik++;
} else if (taknie.equals("T")){
licznik2++;
}
}while(licznik2<1);
} while(licznik<1);
}
}
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