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public class FlyBird { public void mainMoveMode(String birdName) { System.out.println(birdName + "用翅膀飞"); }}
public class WalkBird { public void mainMoveMode(String birdName) { System.out.println(birdName + "用脚走"); }}
public class Test { public static void main(String[] args) { FlyBird flyBird = new FlyBird(); flyBird.mainMoveMode("大雁"); WalkBird walkBird = new WalkBird(); walkBird.mainMoveMode("企鹅"); }}
类图:
public interface CourseContent { String getCourseName(); byte[] getcourseVideo();}
public interface CourseManager { void studyCourse(); void refundCourse();}
public class CourseImpl implements CourseManager, CourseContent { @Override public String getCourseName() { return null; } @Override public byte[] getcourseVideo() { return new byte[0]; } @Override public void studyCourse() { } @Override public void refundCourse() { }}
类图:
public class Method { public void updateUserName(String name) { System.out.println("更新用户名信息"); } public void updateUserAddress(String address) { System.out.println("更新地址信息"); }}
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