How to find Nth largest number in an array

import java.util.Arrays;

//Define the Generic functional interface with SAM 'NthBig'
interface NthBiggestGenerics<T> {
	void NthBig(T[] tmp, int x);
}

public class NthLargestGenerics {

	// Define the generic function which accepts any datatype for display
	private static <T> void dispArray(T[] tmpArray, String type) {

		System.out.println();
		System.out.println("The array of " + type + " are");
		System.out.print("[");

		for (int i = 0; i < tmpArray.length; i++)
			System.out.print(tmpArray[i] + " ");
		System.out.println("]");
	}

	public static void main(String[] args) {

		// Initialized integers in this Array
		Integer[] intArray = { 34, 21, 45, 75, 62, 98, 13, 49 };

		// Print the Array of integers to the console
		dispArray(intArray, "Integers");

		 /* Define the Lambda expression for the functional interface 'NthBiggest' for
		  * Integer data type */
		NthBiggestGenerics<Integer> Nb1 = ((numArr, pos) -> {
			Arrays.sort(numArr);
			System.out.println("The " + pos + "th largest entity in Array is=" + numArr[numArr.length - pos]);
		});
		Nb1.NthBig(intArray, 4);

		// Initialized floats in this Array
		Double[] doubleArray = { 34.0, 21.0, 45.0, 75.0, 62.0, 98.0, 13.0, 49.0 };

		// Print the Array of doubles to the console
		dispArray(doubleArray, "Doubles");

		/* Define the Lambda expression for the functional interface 'NthBiggest' for
		 * Double data type */
		NthBiggestGenerics<Double> Nb2 = ((doubleArr, pos) -> {
			Arrays.sort(doubleArr);
			System.out.println("The " + pos + "th largest entity in Array is=" + doubleArr[doubleArr.length - pos]);
		});
		Nb2.NthBig(doubleArray, 5);

		// Initialized Strings in this Array
		String[] strArray = { "MIKE", "DAVE", "JOHN", "RAMAA", "SANJAY", "RUSS", "NAGENDRA" };

		// Print the Array of strings to the console
		dispArray(strArray, "Strings");
		
		/* Define the Lambda expression for the functional interface 'NthBiggest' for
		 * String data type */
		NthBiggestGenerics<String> Nb3 = ((strArr, pos) -> {
			Arrays.sort(strArr);
			System.out.println("The " + pos + "th largest entity in Array is=" + strArr[strArr.length - pos]);
		});
		Nb3.NthBig(strArray, 6);
	}
}