程序代码：

class Test{
    private int[]age;
public int[] getAge() {
        return age;
    }
    public void setAge(int[] age) {
        this.age = age;
    }
}

程序代码：

class Test{
    private int age;
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
}

public class Test3 {
    public static void main(String[] args) {
        Test test = new Test();
        test.setAge(11);
        System.out.println(Integer.toString(test.getAge()));
    }
}

程序代码：

import java.util.Arrays;

class Test{
    private int[] age;
    public int[] getAge() {
        return age;
    }
    public void setAge(int[] age) {
        this.age = age;
    }
}

public class Test3 {
    public static void main(String[] args) {
        Test test = new Test();
        test.setAge(new int[]{1,2,3,4});
        System.out.println(Arrays.toString(test.getAge()));
    }
}