演示开关中的字符串。

public class Main {/*NowJava.com - 时代Java 提供*/

  public static void main(String[] args) {

    // create two AutoPolicy objects

    Car policy1 = new Car(1, "Toyota", "NJ");

    Car policy2 = new Car(2, "Ford", "ME");

    // display whether each policy is in a no-fault state

    policyInNoFaultState(policy1);

    policyInNoFaultState(policy2);

  }


  // method that displays whether an AutoPolicy

  // is in a state with no-fault auto insurance

  public static void policyInNoFaultState(Car policy) {

    System.out.println("The auto policy:");

    System.out.printf(

        "Account #: %d; Car: %s;%nState %s %s a no-fault state%n%n",//来 自 nowjava.com - 时代Java

        policy.getAccountNumber(), policy.getMakeAndModel(), policy.getState(),

        (policy.isNoFaultState() ? "is" : "is not"));

  }

}


class Car {

  private int accountNumber; // policy account number

  private String makeAndModel; // car that the policy applies to

  private String state; // two-letter state abbreviation


  // constructor

  public Car(int accountNumber, String makeAndModel, String state) {

    this.accountNumber = accountNumber;

    this.makeAndModel = makeAndModel;

    this.state = state;

  }


  // sets the accountNumber

  public void setAccountNumber(int accountNumber) {

    this.accountNumber = accountNumber;

  }


  // returns the accountNumber

  public int getAccountNumber() {

    return accountNumber;

  }


  // sets the makeAndModel

  public void setMakeAndModel(String makeAndModel) {

    this.makeAndModel = makeAndModel;

  }


  // returns the makeAndModel

  public String getMakeAndModel() {

    return makeAndModel;

  }


  // sets the state

  public void setState(String state) {

    this.state = state;

  }


  // returns the state

  public String getState() {

    return state;

  }


  // predicate method returns whether the state has no-fault insurance

  public boolean isNoFaultState() {

    boolean noFaultState;