**Object的clone方法可以帮助我们克隆对象。现在需编写一个类Car包含:
1.属性:
private String name; private CarDriver driver; private int[] scores; 2.无参构造函数
public Car() { }
3.方法:
@Override public String toString() { return “Car [name=” + name + “, driver=” + driver + “, scores=” + Arrays.toString(scores) + “]”; }
setter/getter方法与clone方法。注意：clone方法需实现对象的深度克隆。
CarDriver为已经定义好的类,部分代码如下：
class CarDriver { private String name; public CarDriver() {} //setter/getter //toString }
/ 请在这里填写答案，即Car类的完整代码 /**
class Car implements Cloneable{ private String name; private CarDriver driver; private int[] scores; public Car() { } @Override public String toString() { return “Car [name=” + name + “, driver=” + driver + “, scores=” + Arrays.toString(scores) + “]”; } public String getName() { return name; } public void setName(String name) { this.name = name; } public CarDriver getDriver() { return driver; } public void setDriver(CarDriver driver) { this.driver = driver; } public int[] getScores() { return scores; } public void setScores(int[] scores) { this.scores = scores; } @Override protected Car clone() throws CloneNotSupportedException { // TODO Auto-generated method stub Car car = new Car(); CarDriver D = new CarDriver(); if(driver==null) D=null; else D.setName(driver.getName()); car.setDriver(D); String Nm; if(name==null) Nm=null; else Nm=name; car.setName(Nm); if(scores==null) car.setScores(null); else { int c[] = Arrays.copyOf(scores, scores.length); car.setScores(c); } return car; } }
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