toString

class Car {
	public String name;
	public String color;
	
	Car(String name, String color) {
		this.name = name;
		this.color = color;
	}
	@Override
	public String toString() {
		return "the name is " + name + ", the color is " + color + ".";
	}
}

public class Operator{
	public static void main(String[] args) {
		Car myCar = new Car("dang", "blue");
		System.out.println(myCar.toString());
	}
}

>>결과:
the name is dang, the color is blue.