- #include <iostream>
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#include <string.h>
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using namespace std;
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int main()
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{
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char val[15] = {'c', 'e', 'o', 'd', 'e'};
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for(int i = 0; i < 15; i++)
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cout << (int)val[i] << " "; //val[5] ~ val[14] 都为NULL
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cout << endl;
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cout << val << endl;
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cout << "sizeof(val) = " << sizeof(val) << endl;
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string str = val; // 将val数组中第一个NULL元素之前的字符放到str字符串中
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cout << str << endl;
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cout << "str.size = " << str.size() << endl;
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return 0;
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}
output：
99 101 111 100 101 0 0 0 0 0 0 0 0 0 0
ceode
sizeof(val) = 15
ceode
str.size = 5
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