package java_problems_datastructures;

import java.util.Scanner;

public class CheckDistinctValues {

	// by default we set the boolean value to be true

	static boolean isElementsDistinct = true;

	public static boolean uniqueValues(float[] values) {

		// loop over the elements by taking j as initial index and k as next index

		for (int j = 0; j < values.length; j++) {

			for (int k = j + 1; k < values.length; k++) {

				// if values in index j and index k are same we change default value to be
				// false;

				if (k != j && values[k] == values[j])
					isElementsDistinct = false;

			}
		}

		return isElementsDistinct;

	}

	public static void main(String args[]) {
		Scanner input = new Scanner(System.in);
		System.out.println("please enter size of array:  ");
		int size = input.nextInt();
		float[] floatArray = new float[size];
		System.out.println("enter " + size + " float values: ");
		for (int i = 0; i < floatArray.length; i++) {

			floatArray[i] = input.nextFloat();
		}

		// float[] values = new float[] { 2.5f, 7f, 32.8f, 89f, 0.09f, 3f, 6.3f };

		System.out.println("Are the elemens distinct? " + uniqueValues(floatArray));

		input.close();

	}

}


Output:

please enter size of array:  
4
enter 4 float values: 
21
1
2
2
Are the elemens distinct? false