以下是引用SUXU19881102在2013-2-28 10:56:38的发言：

void addStu(String name,int age,Student[] arr){
        Student stu1=new Student();
        stu1.setName(name);
        stu1.setAge(age);
        int a;
for(int i ;i

public class test {
    public static Student[] arr = new Student[99999];

    public static void addStu(String name, int age) {
        for (int i = 0; i < arr.length; i++) {
            if(arr[arr.length-1]!=null&&i==arr.length-1){
                System.out.println("超过最大添加人数");
                break;
            }
            if (arr[i] == null) {
                Student stu1 = new Student();
                stu1.setName(name);
                stu1.setAge(age);
                stu1.setNum(i);
                arr[i]=stu1;
                break;
            }
        }
      

    }

    public static void main(String[] args) {
        addStu("123",123);
        for(Student stu1 : arr){
            if(stu1!=null){
                System.out.println(stu1.getNum()+"\t"+stu1.getName()+"/t"+stu1.getAge());
            }
        }
        System.out.println("------------------------------");
        addStu("321",321);
        for(Student stu1 : arr){
            if(stu1!=null){
                System.out.println(stu1.getNum()+"\t"+stu1.getName()+"/t"+stu1.getAge());
            }
        }
        addStu("456",456);
      

    }
//你看看这个和楼主的有什么区别