Runtime.getruntime.exec
时间: 2024-02-10 13:44:56 浏览: 140
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The `Runtime.getRuntime().exec()` method is a Java method used to execute a command in a separate process. It returns an instance of the `Process` class that represents the new process. It takes a single argument, which is the command to be executed in the newly created process.
For example, the following code will execute the command "ls" (list directory contents) in a separate process:
```
Runtime.getRuntime().exec("ls");
```
This will create a new process that executes the "ls" command and outputs the results to the console.
It is important to note that this method can potentially be dangerous if used improperly, as it allows the execution of arbitrary system commands. It is recommended to sanitize user input before passing it to this method to prevent malicious commands from being executed.
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