用while循环输入字符
时间: 2024-02-28 11:49:12 浏览: 52
以下是Java和C++两种语言的while循环输入字符的例子:
Java代码:
```java
import java.util.Scanner;
public class Test {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("input string : ");
StringBuilder sb = new StringBuilder();
while (true) {
String cmd = scanner.nextLine();
if (!"end".equals(cmd)) {
sb.append(cmd);
} else {
break;
}
}
System.out.println("sb = " + sb);
}
}
```
C++代码:
```cpp
#include <iostream>
#include <string>
using namespace std;
int main() {
string s;
while(cin >> s)
cout << s << endl;
return 0;
}
```