Something

public class Password {	public boolean isValid(String password) {		if(hasLength(password) && hasLetter(password) && hasNumber(password)) {			return true; 		}		return false;	}		private boolean hasLength(String password) {		if(password.length() >= 6) {			return true;		}		return false;	}		private boolean hasLetter(String password) {		if(password.matches("[a-z]{1,}") && password.matches("[A-Z]{1,}")) {			return true;		}		return false;	}		private boolean hasNumber(String password) {		if( password.matches("[0-9]{1,0}")  ) {			return true;		}		return false;	}}