length() 메소드 작성

static int length(String a){

if (a.length() ==0 ) {

return 0;

}

char[] len=new char[a.length()];

int count=0;

for(int i=0; i<len.length; i++){

count++;

}

return count;

}

public static void main(String[] args) {

StrlenM a = new StrlenM();

int result=a.length("");

System.out.println(result);

}

}