public class Cat {
String color;
public Cat(String color) {
this.color = color;
}
public void catchMice() {
System.out.println(color + "猫去抓老鼠了……");
}
public static void main(String[] args) {
Cat black = new Cat("黑");
black.catchMice();
Cat white = new Cat("白");
white.catchMice();
Cat yellow = new Cat("黄");
yellow.catchMice();
}
}
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