Someone

//Alexander Clark
//2/17/08
//CH7 7.12

import java.util.Scanner;

public class Duplicate
{

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

		int counter = 0;
		int number = 0;
		int testValue = 0;
		int array[] = new int[5];

		for(counter = 0; counter < array.length;)
		{

			System.out.print("Enter an integer between 10 and 100: ");

			testValue = input.nextInt();

			if(testValue >= 10 && testValue <= 100)
			{
				array[counter] = testValue;

				if(checkArray(array, array[counter]=true))
				{
					array[counter]=0;
				}
				else
				{

					System.out.println("");
					System.out.println("Index 0: " + array[0]);
					System.out.println("Index 1: " + array[1]);
					System.out.println("Index 2: " + array[2]);
					System.out.println("Index 3: " + array[3]);
					System.out.println("Index 4: " + array[4]);
					System.out.println("");

				counter++;
				}

			}
			else
			{
				System.out.println("ERROR");
			}
		}

	}

public boolean checkArray(int array[], int number);
{
	for(int counter = 0; counter <= array.length; counter++)
	{
		if(number = array[counter])
		{
			return true;
		}

	}
	return false;
}

}