JDK9新特性-改进进程管理 API
2021-01-14 11:10
标签:zone 本机 null pareto 快照 退出 source onexit 进程终止 ProcessHandle 类 范例 JDK9新特性-改进进程管理 API 标签:zone 本机 null pareto 快照 退出 source onexit 进程终止 原文地址:https://www.cnblogs.com/zhuxiaopijingjing/p/12268097.html
import java.time.ZoneId;
import java.util.stream.Stream;
import java.util.stream.Collectors;
import java.io.IOException;
public class ProcessHandleTester {
public static void main(String[] args) throws IOException {
// Windows 有效
ProcessBuilder pb = new ProcessBuilder("notepad.exe");
String np = "Not Present";
Process p = pb.start();
ProcessHandle.Info info = p.info();
System.out.printf("Process ID : %s%n", p.pid());
System.out.printf("Command name : %s%n", info.command().orElse(np));
System.out.printf("Command line : %s%n", info.commandLine().orElse(np));
System.out.printf("Start time: %s%n",
info.startInstant().map(i -> i.atZone(ZoneId.systemDefault())
.toLocalDateTime().toString()).orElse(np));
System.out.printf("Arguments : %s%n",
info.arguments().map(a -> Stream.of(a).collect(
Collectors.joining(" "))).orElse(np));
System.out.printf("User : %s%n", info.user().orElse(np));
}
}
[[url=mailto:yufei@www.twle.cn]yufei@www.twle.cn[/url] java9]$ javac ProcessHandleTester.java && java ProcessHandleTester
Process ID : 5800
Command name : C:\Windows\System32\notepad.exe
Command line : Not Present
Start time: 2017-11-04T21:35:03.626
Arguments : Not Present
User: administrator