动态数组底层实现

c 数组的基本操作

//2020-3-26
//yyz

#include 
#include “Array.h“
#include “Student.h“

void demo1（）;
void demo2（）;

using namespace std;

int main（）
{
    demo1（）;
    return 0;
}
void demo2（）
{
    Array arr = Array（20）;
    arr.addLast（Student（“Alice“100））;
    arr.addLast（Student（“Bob“66））;
    arr.addLast（Student（“Ming“88））;
    arr.print（）;
}


void demo1（）
{

    Array arr1 = Array（）;
    /*int a = arr1.getSize（）;
    int b = arr1.getCapacity（）;
    cout<< a << “ “<< b <
    for （int i = 0; i < 10; ++i）
    {
        arr1.addLast（i）;
    }
    arr1.print（）;

    arr1.addFirst（-1）;
    arr1.print（）;
    arr1.addLast（100）;
    arr1.print（）;
    arr1.add（30）;
    arr1.print（）;
/*    a = arr1.getSize（）;
    b = arr1.getCapacity（）;
    cout<< a << “ “<< b <
    arr1.print（）;
    cout<< “arr1[12]= “ <    arr1.set（0999）;
    arr1.print（）;

    arr1.removeLast（）;
    arr1.print（）;
    arr1.remove（5）;
    arr1.print（）;
    a

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件        4076  2020-03-27 20:54  Array.h
     目录           0  2020-04-19 16:19  __MACOSX\
     文件         176  2020-03-27 20:54  __MACOSX\._Array.h
     目录           0  2020-03-27 20:54  cmake-build-debug\
     文件       34076  2020-03-27 20:54  cmake-build-debug\02_Arrays
     文件        6604  2020-03-27 20:15  cmake-build-debug\02_Arrays.cbp
     文件        1456  2020-03-26 16:18  cmake-build-debug\cmake_install.cmake
     文件       39510  2020-03-26 16:18  cmake-build-debug\CMakeCache.txt
     目录           0  2020-03-27 21:07  cmake-build-debug\CMakeFiles\
     目录           0  2020-03-27 20:54  cmake-build-debug\CMakeFiles\02_Arrays.dir\
     文件        4592  2020-03-26 16:18  cmake-build-debug\CMakeFiles\02_Arrays.dir\build.make
     文件         250  2020-03-27 20:15  cmake-build-debug\CMakeFiles\02_Arrays.dir\cmake_clean.cmake
     文件         650  2020-03-27 20:54  cmake-build-debug\CMakeFiles\02_Arrays.dir\CXX.includecache
     文件         358  2020-03-27 20:54  cmake-build-debug\CMakeFiles\02_Arrays.dir\depend.internal
     文件         248  2020-03-27 20:54  cmake-build-debug\CMakeFiles\02_Arrays.dir\depend.make
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     文件         231  2020-03-26 16:18  cmake-build-debug\CMakeFiles\02_Arrays.dir\flags.make
     文件         161  2020-03-26 16:18  cmake-build-debug\CMakeFiles\02_Arrays.dir\link.txt
     文件      117256  2020-03-27 20:54  cmake-build-debug\CMakeFiles\02_Arrays.dir\main.cpp.o
     文件          43  2020-03-27 20:15  cmake-build-debug\CMakeFiles\02_Arrays.dir\progress.make
     目录           0  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\
     文件        2469  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\CMakeCCompiler.cmake
     文件        5189  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\CMakeCXXCompiler.cmake
     文件        4304  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\CMakeDetermineCompilerABI_C.bin
     文件        4288  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\CMakeDetermineCompilerABI_CXX.bin
     文件         362  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\CMakeSystem.cmake
     目录           0  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\CompilerIdC\
     文件        8616  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\CompilerIdC\a.out
     文件       20099  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\CompilerIdC\CMakeCCompilerId.c
     目录           0  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\CompilerIdC\tmp\
     目录           0  2020-03-26 16:18  cmake-build-debug\CMakeFiles\3.15.3\CompilerIdCXX\
............此处省略20个文件信息