class Student{
String name;
String major;
int num;
int grade;
public Student(String name,String major,int num,int grade)
{
this.name=name;
this.major=major;
this.num=num;
this.grade=grade;
}
}
public class Team{
public static void main(String[]args)
{
Scanner in=new Scanner(System.in);
Student team[][]=new Student[3][];
for(int i=0;i<3;i++)
for(int j=0;j<team[i].length;)
{
team[i][j].name=in.nextLine();
team[i][j].major=in.nextLine();
team[i][j].num=in.nextInt();
team[i][j].grade=in.nextInt();
System.out.println("姓名"+team[i][j].name+ "专业" +team[i][j].major+ "项目号"+team
[i][j].num+" 项目得分 "+team[i][j].grade);
System.out.printf("\n");
}
}
}
cmd编译成功，但运行不了，提示NullPointerException
问题是怎么new？求高手解答
