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Validate city and state

public class MainClass {    public static void main( String[] args )    {        System.out.println(validateCity("Street"));        System.out.println(validateState("CA"));    }    // validate city    public static boolean validateCity( String city )    {       return city.matches( "([a-zA-Z]+|[a-zA-Z]+\\s[a-zA-Z]+)" );    } // end method validateCity    // validate state    public static boolean validateState( String state )    {       return state.matches( "([a-zA-Z]+|[a-zA-Z]+\\s[a-zA-Z]+)" ) ;    } // end method validateState     }