import java.util.Scanner;
import java.util.Arrays;
公共类主要{
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
String [] studentId = new String [3];
Student name;
for (int i = 0; i < 3; i++)
{
System.out.print("Enter Name => ");
name = new Student(input.next());
studentId[i] = name.toString();
}
for (int i = 0; i < 3; i++)
{
System.out.println(studentId[i]);
}
}
}
public class Student
{
private static int studentId;
private String name;
public Student(String name)
{
this.name=name;
setStudentId(studentId++);
}
public int getStudentId()
{
return studentId;
}
public void setStudentId(int studentId)
{
this.studentId = studentId;
}
@Override
public String toString()
{
return (this.studentId +" "+ "student is "+ " " + "(" + this.studentId + ")"+ this.name);
}
}
创建新条目时,我需要自动增加ID。我尝试了所有内容,但仍然无法增加。
我正在用Java编写一些代码,但是没有用:import java.util.Scanner;导入java.util.Arrays;公共类Main {公共静态void main(String [] args){扫描仪输入= ...