Illegal start of type [closed]

class demo{ public static String hello(){

String s1[]={"hello","hello1","hello2"};
String s2[]={"hello","hello1","hello"};
String name;

Boolean x1=!s1[0].equals(s2[0]);
  Boolean x2=!s1[1].equals(s2[1]);
  Boolean x3=!s1[2].equals(s2[2]);

if  (x1) {
  name=s1[0];
}

else if (x2) {
  name=s1[1];
}

else if (x3) {
  name=s1[2];
}  

}

public static void main(String[] args) {

demo.hello();

} }