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package b; public interface ZuoBiao { double zuobiao(); } package b; public class Point implements ZuoBiao { double x; double y; double z; public doub 阅读全文
摘要：
package b; public interface CanFly { public void fly(); } package b; public class FeiJi implements CanFly { @Override public void fly() { System.out.p 阅读全文
摘要：
package b; public interface Computer { int computer(int n,int m); } package b; public class Jia implements Computer { @Override public int computer(in 阅读全文
摘要：
package a; public interface CanSwim { void swim(); } package a; public interface CanFly { void fly(); } package a; public abstract class ActionCharact 阅读全文