Find the Biggest Difference in Array using java

You are given with an array, you need find the biggest difference in array.   For this you need find largest and smallest element in array and subtract them  you'll get the biggest difference.

	/**
	* You are given with an array, you need find the biggest difference in array.
	* For this you need find largest and smallest element in array and subtract them
	* you'll get the biggest difference.
	*/
	import java.util.*;
	public class FindBiggestDifference {
	public static void main(String [] args){
	Scanner sc=new Scanner(System.in);
	int size=0;
	size=Integer.parseInt(sc.nextLine().trim());
	if(size>1){
	String arrayElements=sc.nextLine();
	String [] array=arrayElements.split(" ");
	int max=Integer.parseInt(array[0]);
	int min=Integer.parseInt(array[0]);
	for(int i=1;i<array.length;i++){
	if(Integer.parseInt(array[i])>max){
	max=Integer.parseInt(array[i]);
	}else if(Integer.parseInt(array[i])<min){
	min=Integer.parseInt(array[i]);
	}
	}
	System.out.println(max-min);
	}
	sc.close();
	}
	}

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Input
7
29 79 17 8 4 9 97
Output:
93

Input
7
1 2 3 4 5 6 7

Output:
6