public static void compareCharacters(char c1,char c2){
int cmp=Character.compare(c1,c2);
if(cmp>0){
System.out.println(c1+">"+c2);
}else if(cmp<0){
System.out.println(c1+"<"+c2);
}else{
System.out.println(c1+"="+c2);
}
}