public class Student{
}

public class Student{
  String name;
}

public class Student{
  String name;
  name = "test";
}

public class Student{
  String name = test;
}

public class Student{
  String name = test;
  int age = 19;
  String student_id = "123456987";
  int credits = 0;
  double gpa = 0.0;
}

public class Student{
  public String name = test;
  public int age = 19;
  public String student_id = "123456987";
  public int credits = 0;
  public double gpa = 0.0;
}

public class Student{
  public String name;
  public int age;
  public String student_id;
  public int credits;
  public double gpa;
}