자바 프로그래밍/코딩15 Car.Ex.java class Car { String color; int speed; public Car(String color) { this.color = color; speed = 0; } public void engineStart() { System.out.println("engine start"); } public void engineStop() { System.out.println("engine stop"); } public void speedUp() { speed++; System.out.println("speed up(" + speed + ")"); } public void speedDown() { if (speed > 0) speed--; System.out.println("speed down(" + spee.. 2023. 6. 2. QuadraticEquationSolver.java import java.util.Scanner; public class QuadraticEquationSolver { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("Enter the value of a: "); double a = scanner.nextDouble(); System.out.print("Enter the value of b: "); double b = scanner.nextDouble(); System.out.print("Enter the value of c: "); double c = scanner.nextDouble(); double discriminant.. 2023. 5. 26. CurrencyConverter.java import java.util.Scanner; class CurrencyConverter { private static double rate; public static double toDollar(double won) { return won/rate; } public static double toKRW(double dollar) { return dollar*rate; } public static void setRate(double r) { rate = r; } } public class CurrencyConverterTest { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print.. 2023. 5. 22. AlarmTime.java public class AlarmTime { private int hour; private int minute; private boolean active; public AlarmTime(int hour, int minute) { this(hour, minute, false); } public AlarmTime(int hour, int minute, boolean active) { setHour(hour); setMinute(minute); setActive(active); } public boolean isActive() { return active; } public void setActive(boolean active) { this.active = active; } public int getHour().. 2023. 5. 12. 이전 1 2 3 4 다음
