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Michael
Help With an Array
0 Answer(s)      3 years and 6 months ago
Posted in : Java Beginners


So what Im trying to do is write an array declaration to represent students names for a class and homework grades for each student. I have included my arrays for a declaration for 25 students names in a class and also a declaration for students tests grades in a class of 40. Now what I am trying to do is almost combine the two to create a larger array declaration. The declaration size does not have to be big, I only included 5 names but I can not figure out how to finish the code. Please HELP!

A) students? names for a class of 25 students

import java.util.Scanner;

public class Student

{

public static void main (String[] args)

{

Scanner scan = new Scanner (System.in);

String[] names = new String [15];

System.out.println ("Class Size : " + names.length);

for (int index = 0; index < names.length; index++)

{System.out.print ("Enter student " + (index+1) + " name :");

names[index] = scan.next();

}

System.out.println("Your student's are:");

for (int index = names.length-1; index>=0; index--)

System.out.print (names[index] + " ");

}

}

B) students? test grades for a class of 40 students

import java.util.Scanner;

public class Student

{

public static void main(String[] args)

{

final int STUDENTS = 40;

int[] grades = new int[STUDENTS];

Scanner scan = new Scanner(System.in);

for (int i=0; i

{

System.out.print("Enter grades for student " + (i+1) + ": ");

grades[i] = scan.nextInt();

}

System.out.println("\nStudent?s Grades");

System.out.println("--------------------");

for (int index = grades.length-1; index>=0; index--)

  System.out.print (grades[index] + " ");

}

}

C) students? names for a class and homework grades for each student

public class Student

{

public static void main (String[] args)

{

String[] names = new String [] {"Jim", "Bobby", "Shawn", "Michael", "George"};

System.out.println ("Class Size : " + names.length);

int[] grades = new int [] {80, 85, 90, 95, 100};

for (int i = 0; i < grades.length; i++) {

  grades[i];

}

  {

System.out.println("Your student's grades are:");

for (int index = names.length-1; index>=0; index--)

System.out.print (names[index] + " " + grades[i]);

}

}

}


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