Program Question (arrays)

[JinFTW]

Ok so I had to develop a class in which I needed to count the number of times someone enters in a number from a selected group of numbers from 1 to 100. In this case we're talking about groups of 10. Since I'm not very good with arrays (it was advised I use an array of counters, but since my professor has yet to teach us do so, that wouldn't really work anyway). So I decided to get creative and do it this way (not finished yet, only worked up to 60 so far). The funny thing is, the first 3 groups work out perfectly, but after that it's almost like it won't read any input, any help would be appreciated in this matter, thanks ahead guys.

import java.util.Scanner;
public class TestingNew
{
    public static void main (String[] args)
    {
        Scanner scan = new Scanner (System.in);
        final int MAXNUMBER = 101;
        int[] list = new int [MAXNUMBER];
 
 
        System.out.println ("How many integers between 1 and 10 will you enter?");
        int num = scan.nextInt();
 
        System.out.println ("How many integers between 11 and 20 will you enter?");
        int num1 = scan.nextInt();
 
        System.out.println ("How many integers between 21 and 30 will you enter?");
        int num2 = scan.nextInt();
 
        System.out.println ("How many integers between 31 and 40 will you enter?");
        int number = scan.nextInt();
 
        System.out.println ("How many integers between 41 and 50 will you enter?");
        int number1 = scan.nextInt();
 
        System.out.println ("How many integers between 51 and 60 will you enter?");
        int number2 = scan.nextInt();
 
 
        System.out.print ("1 - 10 | ");
        int index = 0;
        while (index < num)
        {
 
            System.out.print ("*");        
            index++;
        }    
 
        System.out.println(" ");
 
        System.out.print ("11 - 20 | ");
        for (int index1 = 0; index1 < num1; index1++)
        {
            System.out.print ("*");
        }
 
        System.out.println (" ");
 
        System.out.print ("21 - 30 | ");
        for (int index2 = 0; index2 < num2; index2++)
        {
            number = number;
            System.out.print ("*");            
        }
 
        System.out.println(" ");
 
 
        System.out.print ("31 - 40 | ");
        for (int i = 0; i < number; i++);
        {
            System.out.print ("*");
        }
 
        System.out.println(" ");
 
 
        System.out.print ("41 - 50 | ");
        for (int index3 = 0; index3 < number1; index3++);
        {
            System.out.print ("*");
        }
 
        System.out.println("");
 
 
        System.out.print ("51 - 60 | ");
        for (int index4 = 0; index4 < number2; index4++);
        {
            System.out.print ("*");
        }
 
        System.out.println("");
 
    }
}
 

[BigDaddyLH]

It's a common oversight:

for (int i = 0; i < number; i++);

Note the unwanted semicolon at the end of this line. That causes the loop body to be the empty statement instead of the block that follows. Remove these offending semicolons.

Note this has nothing to do with arrays since your code does nothing with arrays!