Code wont work:/

Task:

If the last name is between A thru M send them to line 1. Otherwise send them to line 2

Code:

public class ConferenceRegistrationAssistant {

public int getLineFor(String lastName) { /* If the last name is between A thru M send them to line 1 Otherwise send them to line 2 */ int lineOne = 0; int lineTwo = 0; if(lastName >= 'A' && lastName <= 'M') { lineOne++; } else { lineTwo++; } return lineOne; return lineTwo; }

}

Error: ./ConferenceRegistrationAssistant.java:8: error: bad operand types for binary operator '>=' if(lastName >= 'A' && lastName <= 'M') { ^ first type: String second type: char ./ConferenceRegistrationAssistant.java:8: error: bad operand types for binary operator '<=' if(lastName >= 'A' && lastName <= 'M') { ^ first type: String second type: char 2 errors

What am I doing wrong? Please help