摘要：
package b; public interface Computer { int computer(int n,int m); } package b; public class Jia implements Computer { @Override public int computer(int n, int m) { int jia; ... 阅读全文
摘要：
package b; public interface ZuoBiao { double zuobiao(); } public class Point implements ZuoBiao { double x; double y; double z; public double getX() { return x... 阅读全文