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Chap7Exercise1.java
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Chap7Exercise1.java
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/*
* Mjolinir
* CSC 225D
* Chapter 7 Exercise 1
*
*/
import java.util.*;
public class Chap7Exercise1
{
public static void main(String[] args)
{
//create array
int[] num = new int[10];
getData(num);
System.out.println("Original data: ");
printArray(num);
eliminateDuplicates(num);
}
// loads data into the array as the user enters it
public static void getData(int[] n)
{
Scanner input = new Scanner(System.in);
System.out.println("Enter 10 numbers, one each time you are prompted.");
for (int i = 0; i < n.length; i++)
{
System.out.print("Enter number " + (i + 1) + ": ");
n[i] = input.nextInt();
}
}
// prints each of the data items stored in the array on one line
public static void printArray(int[] nu)
{
for (int x = 0; x < nu.length; x++)
{
System.out.print(nu[x] + " ");
}
System.out.println();
}
// Finds the duplicates and doesn't print them.
public static void eliminateDuplicates(int[] nm)
{
boolean flag = false; // will indicate if a duplicate is found
int value = 999;
int index = 0;
System.out.print("The distinct numbers are: ");
// This loop goes through each cell in the array
for (int x = 0; x <= 9; x++)
{
value = nm[x]; // gets the data from the current cell in the array
flag = false; // re-sets the flag variable
// This loop goes through the array from cell 0 to the current cell
// in the outer loop.
for (int y = 0; y < x; y++)
{
if (value == nm[y]) // check for duplicate value
{
flag = true; // flips flag to show duplicate was found
break; // breaks out of inner loop since dup was found
} // end if
} // end for y loop
if (flag == false) // if flag is still false, dup was never found
{
System.out.print(value + " "); // print value since it's not a dup
} // end if
} // end for x loop
}
}