Java program to input an integer and if positive change it to negative and if negative change it to positive

Write a program to input an integer and if positive change it to negative and if negative change it to positive.

INPUT: Enter an integer: 12

OUTPUT: Sign changed:-12

INPUT: Enter an integer: -14

OUTPUT: Sign changed: 14

import java.util.*;
class SignChange
{
	public static void main(String arr[])
	{
		Scanner sc=new Scanner(System.in);
		int n,s;
		System.out.println(“Enter an integer:”);
		n=sc.nextInt();
		s=-n;
		System.out.println(“Sign changed:”+s);
	}
}