30 lines
586 B
Java
30 lines
586 B
Java
public class Calculator {
|
|
private double result;
|
|
|
|
public Calculator add(double number) {
|
|
result += number;
|
|
return this;
|
|
}
|
|
|
|
public Calculator subtract(double number) {
|
|
result -= number;
|
|
return this;
|
|
}
|
|
|
|
|
|
public double getResult() {
|
|
return result;
|
|
}
|
|
|
|
public Calculator reset() {
|
|
result = 0;
|
|
return this;
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
Calculator calc = new Calculator();
|
|
calc.add(10).subtract(5);
|
|
System.out.println("Result: " + calc.getResult());
|
|
}
|
|
}
|