流程类的getOutputStream()方法 (Process Class getOutputStream() method)
getOutputStream() method is available in java.lang package.
getOutputStream()方法在java.lang包中可用。
getOutputStream() method is used to get the output stream of the process and sub-process.
getOutputStream()方法用于获取流程和子流程的输出流。
getOutputStream() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
getOutputStream()方法是一个非静态方法,只能通过类对象访问,如果尝试使用类名称访问该方法,则会收到错误消息。
getOutputStream() method does not throw an exception at the time of returning output stream.
返回输出流时, getOutputStream()方法不会引发异常。
Syntax:
句法:
public abstract OutputStream getOutputStream();
Parameter(s):
参数:
It does not accept any parameter.
它不接受任何参数。
Return value:
返回值:
The return type of this method is OutputStream, it returns output stream associated to the standard input of the process.
此方法的返回类型为OutputStream ,它返回与流程的标准输入关联的输出流。
Example:
例:
// Java program to demonstrate the example
// of OutputStream getOutputStream() method of Process
import java.io.*;
import java.util.*;
public class GetOutputStream {
public static void main(String[] args) throws Exception {
// Instantiating Process object
System.out.println("Process Instantiated");
Process pr = Runtime.getRuntime().exec("notepad.exe");
// By using getOutputStream() method is to get the
// output stream of pr object
OutputStream os = pr.getOutputStream();
// By using close() method is to close the output stream
System.out.println("Output Stream Closed :");
os.close();
}
}
Output
输出量
Process Instantiated
Output Stream Closed :
翻译自: https://www.includehelp/java/process-getoutputstream-method-with-example.aspx
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