﻿ Java - Find the k largest elements in a specified array

# Java: Find the k largest elements in a specified array

## Java Basic: Exercise-159 with Solution

Write a Java program to find the k largest elements in a given array. Elements in the array can be in any order.

Visual Presentation:

Sample Solution:

Java Code:

``````import java.util.*;

public class Solution {
public static void main(String[] args) {
// Initializing an array of integers
Integer arr[] = new Integer[]{1, 4, 17, 7, 25, 3, 100};

int k = 3; // Initializing the value of 'k' as 3

// Displaying the original array
System.out.println("Original Array: ");
System.out.println(Arrays.toString(arr));

// Displaying the k largest elements of the array
System.out.println(k + " largest elements of the said array are:");

// Sorting the array in reverse order using Collections.reverseOrder()
Arrays.sort(arr, Collections.reverseOrder());

// Printing the k largest elements from the sorted array
for (int i = 0; i < k; i++) {
System.out.print(arr[i] + " ");
}
}
}
```
```

Sample Output:

```Original Array:
[1, 4, 17, 7, 25, 3, 100]
3 largest elements of the said array are:
100 25 17
```

Flowchart:

Java Code Editor: