/*
 4.字符串
 xaye , 夏夜
 C：char[] , char*
 C++：string
*/
#include<iostream>
using namespace std;

int main() {
    // xaye , 夏夜
    char name[4] = {'x','a','y','e'};

    cout << "我的名字是：" << name << endl;
    return 0;
}

xaye@orange:~/code/dev/9$ ./a.out 
我的名字是：xaye

#include<iostream>
using namespace std;

int main() {

    // 【下面四種寫法 效果一致】
    
    // xaye , 夏夜
    //char name[4] = {'x','a','y','e','\0'};

    // 這種定義需要注意後面主動加 \0 ,測試中沒加好像也正常？
    //char name[] = {'x','a','y','e','\0'};

    // error: initializer-string for ‘char [4]’ is too long [-fpermissive]
    // 18 |     char name[4] = "xaye";
    // 這種要多一個位置 給 \0,不然報錯！
    //char name[4] = "xaye";

    char name[] = "xaye";

    cout << "我的名字是：" << name << endl;
    return 0;
}

#include<iostream>
#include<cstring> // 要導入的頭文件
using namespace std;

int main() {
    // xaye , 夏夜

    const int SIZE = 15;
    char name1[SIZE];
    char name2[SIZE] = "C++owboy";

    cout << "Howdy! I'm " << name2 << "! what your name?" << endl;
    cin >> name1;

    // strlen: 獲取字符串的長度，也是跟我們之前説的一樣 \0 結尾
    cout << "Well, " << name1 << ", your name has " << strlen(name1) << " letters and is stored" << endl;
    cout << "in an array of " << sizeof(name1) << " bytes." << endl;
    cout << "Your inital is " << name1[0] << endl;
    name2[3] = '\0';

    cout << "Here are the first 3 chacters of my name: " << name2 << endl;
    cout << "name2 has " << strlen(name2) << " letters." << endl;

    return 0;
}

xaye@orange:~/code/dev/9$ ./a.out 
Howdy! I'm C++owboy! what your name?
xaye
Well, xaye, your name has 4 letters and is stored
in an array of 15 bytes.
Your inital is x
Here are the first 3 chacters of my name: C++
name2 has 3 letters.