java program to check anagram string

import java.util.*;

public class ToCheckAnagramExample {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
String str1=sc.nextLine();
String str2=sc.nextLine();
String s1=str1.replaceAll("\s","");
String s2=str2.replaceAll("\s","");
boolean b=true;
if(s1.length()!=s2.length())
{
b=false;
}
else
{
char[] ch1=s1.toLowerCase().toCharArray();
char[] ch2=s2.toLowerCase().toCharArray();
Arrays.sort(ch1);
Arrays.sort(ch2);
b=Arrays.equals(ch1,ch2);
}
System.out.println(b);
}
}