// save in file Student.java

public class Student
{
     private String name;    // student name
     private int test1;      // first test
     private int test2;
     private int test3;


     // constuctor to create student object
     public Student(String studentname, int t1, int t2, int t3)
     {
        name = studentname;
        test1= t1;
        test2= t2;  
        test3= t3;  
     } 


     // constuctor to create student object with same 
     // scores for all tests 
     public Student(String studentname, int test)
     {
        name = studentname;
        test1= test;
        test2= test;  
        test3= test;  
      }


     // method that returns the highest test score
     public int maxScore()
     {
         int max = test1;
         if (test2 > max)
            max = test2;
         if (test3 > max) 
            max = test3;
         return max;
      }


     // method that returns the lowest test score
     public int minScore()
     {
         int min = test1;
         if (test2 < min)
            min = test2;
         if (test3 < min) 
            min = test3;
         return min;
      }


      //method to return average score
      public int average()
      {  
         return (int) ( (test1+test2+test3)/3.0 + 0.5);
      }


      // method to return true if tests are in ascending order
      // and false otherwise 
      public boolean isAscending()
      {
         return   test3 > test2  && test2 > test1;
      } 
         
      
      // method to return student name
      public String getName()
      {  
        return name;
      }  
   
      // method to return test1 
       public int getTest1()
       {
         return test1;
       }

     
      // method to return test2 
       public int getTest2()
       {
         return test2;
       }


       // method to return test3 
       public int getTest3()
       {
         return test3;
       }

     
       public String toString()
        {
           return "STUDENT "+name +"\t " +test1 +"\t " +test2 +
                   "\t " +test3 ;
        }
}





// save in file ArrayOfStudents.java
import java.util.Scanner;


public class ArrayOfStudents
{
    private Student[] studentClass = new Student[50];
    private int classSize;


     // constructor reads data from file (IORedirection)
     public ArrayOfStudents()
     { 
       String sname;
       int test1,test2,test3;
       Scanner scan = new Scanner(System.in);
      
 
       classSize = scan.nextInt();  // read number of students
 

       for (int i=0; i<classSize; i++)
       {
           sname= scan.next();   // read student name
           test1=scan.nextInt();              // read test1 score
           test2=scan.nextInt();              // read test2 score
           test3=scan.nextInt();              // read test3 score
      
           
           studentClass[i]=new Student(sname,test1,test2,test3);
       } 
     }
 
     // print method to print all students in the class (from array)
     public void printClass ()
     {
          for (int i=0; i<classSize; i++)
          {  
             System.out.println( studentClass[i] +"\tAVERAGE="+ 
                                 studentClass[i].average() );
          }
     }
}




//save in file TestArrayOfStudents.java


public class TestArrayOfStudents
{

         public static void main(String[] args)
         {
            ArrayOfStudents aClass = new ArrayOfStudents();
            aClass.printClass();
         }
}


// save in file inData.txt

3
"Bill" 10 8 8
"Tom" 8 9 9
"Marry" 9 10 10

// compile Student.java
// compile TestStudent.java
// compile TestArrayOfStudents.java
// run by redirecting input from the input file inData.txt
// Redirect output into file outputStudentData.txt
// java TestArrayOfStudents <inData.txt > outputStudentData.txt