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Thread: I have recieved 5 errors... I dont know what they mean...

  1. #1
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    Default I have recieved 5 errors... I dont know what they mean...

    Hi... I will post my code and errors... I have tried fixing them and then something else is wrong... There are four parts as we are working on arrays...Thank you

    Errors:
     ----jGRASP exec: javac -g StudentBody2.java
     
    StudentBody2.java:12: error: cannot find symbol
     Scanner sc = new Scanner(System.in);
     ^
      symbol:   class Scanner
      location: class StudentBody2
    StudentBody2.java:12: error: cannot find symbol
     Scanner sc = new Scanner(System.in);
                      ^
      symbol:   class Scanner
      location: class StudentBody2
    StudentBody2.java:54: error: no suitable constructor found for Student(String,String,Address,Address,Course[])
    Student s = new Student(fname,lname,jHome,school,carray);
                ^
        constructor Student.Student(String,String,Address,Address,int,int,int) is not applicable
          (actual and formal argument lists differ in length)
        constructor Student.Student(String,String,Address,Address) is not applicable
          (actual and formal argument lists differ in length)
    StudentBody2.java:69: error: firstName has private access in Student
     System.out.println(index+"\t"+student.firstName+""+student.lastName);
                                          ^
    StudentBody2.java:69: error: lastName has private access in Student
     System.out.println(index+"\t"+student.firstName+""+student.lastName);
                                                               ^
    5 errors

    class Address2
    {
     private String streetAddress, city, state;
     private long zipCode;
     
    // Constructor: Sets up this address with the specified data
     
    public Address2 (String street, String town, String st, long zip)
     {
     streetAddress = street;
     city = town;
     state = st;
     zipCode = zip;
     }
     // Returns a desciption of this address object
     
    public String toString()
     {
     String result;
     
    result = streetAddress + " \n";
     result += city + ", " + state + " " + zipCode;
     
    return result;
     }
     
    }

    // Constructor: Sets up this student with the specified values
     
    public Student2 (String first, String last, Address home, Address school,Course[] schedule)
     {
     
     firstName = first;
     lastName = last;
     homeAddress = home;
     schoolAddress = school;
     this.schedule = schedule;
     }
     
    // Returs a string description of this student object
     
    public String toString()
     {
     String result;
     
     result = firstName + " " + lastName + "\n";
     result+= "Home Address: \n" + homeAddress + "\n";
     result += "School Address: \n" + schoolAddress +"\n";
     result+="Course Details : \n";
     
    String temp = "";
     for(Course c : schedule)
     {
     temp+="Term : "+c.term+" Course Number : "+c.courseNumber+" Location : "+c.location+" Instructor Name :"+c.instructor;
     temp+="\n";
     }
     
    result+=temp;

    public class StudentBody2 
    {
     // Creates some Address and Student objects and prints them
     
    public static void main (String[] args)
     {
     Address school = new Address("800 Lancaster Ave." , "Villanova","PA" , 19085);
     
     Address jHome = new Address("21 Jump Street", "Lynchburg","VA", 24551);
     
     
     Scanner sc = new Scanner(System.in);
     System.out.print("Enter how many Students ? ");
     int size = sc.nextInt();
     Student array[] = new Student[size];
     int i = 0, j = 0;
     
    while(i < array.length)
     {
     System.out.println();
     System.out.println("Enter "+(i+1)+" Student details");
     System.out.print("Enter Student First name : ");
     String fname = sc.next();
     System.out.print("Enter Student Last name : ");
     String lname = sc.next();
     
    // adding up to 6 courses to student using random
     
    int random = 1 + (int)(Math.random() * 6);
    Course carray[] = new Course[random];
     System.out.println();
     System.out.println("Enter "+random+" courses");
    while(j < carray.length)
     {
     System.out.println();
     System.out.print("Enter Course Term name : ");
     String team = sc.next();
     System.out.print("Enter course Number : ");
     String courseNo = sc.next();
     System.out.print("Enter Location name : ");
     String location = sc.next();
     System.out.print("Enter instructor First name : ");
     String insFname = sc.next();
     System.out.print("Enter instructor Last name : ");
     String insLname = sc.next();
     
    String instructorName = insLname+","+insFname;
     
    Course c = new Course(team,courseNo,location,instructorName);
     carray[j] = c;
     j++;
     }
     
    Student s = new Student(fname,lname,jHome,school,carray);
     array[i] = s;
     System.out.println();
     System.out.println("Student Details : "+s);
     i++;
    j = 0;
     
     }
     
    System.out.println("Total Number of Students : "+array.length);
     System.out.println("Total Number of Courses : "+Course.count);
     System.out.println("INDEX"+"\t"+"Student Name");
     int index = 0;
    for(Student student : array)
     {
     System.out.println(index+"\t"+student.firstName+""+student.lastName);
    index++;
     }
     
     
     }
     
    }

    class Course
     {
    static int count;
     String term,courseNumber,location,instructor;
     
    public Course(String term, String courseNumber, String location, String instructor) 
    {
     this.term = term;
     this.courseNumber = courseNumber;
     this.location = location;
     setInstructor(instructor);
    count++;
     }
     
     
     public String getCourseNumber() {
     return courseNumber;
     }
     
    public void setCourseNumber(String courseNumber) {
     this.courseNumber = courseNumber;
     }
     
    public String getInstructor() {
     return instructor;
     }
     
    public void setInstructor(String instructor) {
       this.instructor = instructor;
     }
     
    public String getLocation() {
     return location;
     }
     
    public void setLocation(String location) {
     this.location = location;
     }
     
    public String getTerm() {
     return term;
     }
     
    public void setTerm(String term) {
     this.term = term;
     }
     
     
    public String toString()
     {
     return term+"\t"+courseNumber+"\t"+location+"\t"+instructor;
     }
     
    }


  2. #2
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    Default Re: I have recieved 5 errors... I dont know what they mean...

    Your first 2 errors appear to indicate that you did not import the Scanner class. The rest are related to inconsistencies in your code, like:

    It's not clear how the 4 parts you posted go together. Are they each stand-alone parts, saved in their own files? If so, there are missing braces, { or }. If not, describe how the parts fit together.

    The second bit of code you posted makes no sense. It begins with a constructor, Student2(), but there's no class Student2.

    Help us understand what's going on here.

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