11 2022 档案
摘要：Java//AbstractFile.javapackage shiyan10;public abstract class AbstractFile{ public abstract void add(AbstractFile element); public abstract void remov
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摘要：java//Road.javapackage shiyan9;public abstract class Road { protected Vehicle vehicle; public void setVehicle(Vehicle ve) { this.vehicle=ve; } public
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摘要：java//Cat.javapackage shiyan8;public interface Cat { public void cry(); public void zhua();} //Dag.javapackage shiyan8;public interface Dog { public v
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摘要：#include <iostream> using namespace std; class S_num{private: static S_num sno; static int num;public: static S_num getintance() { // TODO Auto-genera
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摘要：浅克隆 c++#include <iostream>using namespace std;//向量类class Vector{private: int *p; int len;public: Vector(int len); Vector(const Vector &vector); //拷贝构造
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