[virxen]

in order to add 3 arrays into one new array
first they must have the same dimension.
and the resulting array will be
result[k]=a[k]+b[k]+c[k] <--for all elements k=0...length

import java.util.Scanner;
import java.util.Arrays;

public class Assign9_Cheshire

{
    public static void main(String[] args)
    {
        //Variable Declarations
        Scanner input = new Scanner(System.in);


        int averageScore;
        int userInput;
        int [] grades = new int [10];//define it first of all

            //User Prompts midterm1
            int[]midTerm1= new int [10];
            for (int i = 0; i <midTerm1.length; i++){
                System.out.println("Please enter a MidTerm1 grade:     ");
                midTerm1[i] = input.nextInt();
                grades[i]=midTerm1[i];//you add the first results!!!
            }
             System.out.println("Thank you next");
            //User prompt midterm2
            int[]midTerm2=new int[10];
            for(int j=0; j<midTerm2.length;j++){
               System.out.println("Please enter a MidTerm2 grade:    ");
               midTerm2[j] = input.nextInt();
              grades[j]+=midTerm2[j];//you add the second results!!!
            }
            System.out.println("Thank you next");
            //User prompt final exam
            int[]finalExam = new int[10];
            for(int k = 0; k<finalExam.length; k++){
                System.out.println("Please enter a Final Exam grade:   ");
                finalExam[k] = input.nextInt();
                grades[k]+=finalExam[k];//last one to add!!!
            }
            
            int max = 0;
            
           //To display highest score
            for (int t = 0; t < grades.length; t ++)
            {
                if (grades[t] > max)
                {
                    max = grades[t];
                }
                System.out.print("\nYour highest test score is: " + max);

            //To display lowest score
            int min = 100;
                if(grades[t] < min)
                {
                    min = grades[t];
                }
            }
            System.out.print("\nYour lowest test score is: " + min);



          System.out.print("You have entered for midTerm1:    ");
          System.out.println(Arrays.toString(midTerm1));
          System.out.print("You have entered for midTerm2:    ");
          System.out.println(Arrays.toString(midTerm2));
          System.out.print("You have entered for Final Exam:   ");
          System.out.println(Arrays.toString(finalExam));


            }

            }