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The sample is implemented in Java to create a context manager as in Python. It provides open action by object constructor and offers automatically close through an AutoCloseable interface.

import org.openqa.selenium.WebDriver;
import java.util.Arrays;
import java.util.List;

public class FrameSwitcher implements AutoCloseable {
    private WebDriver driver;
    List<String> frameChain;

	cd /tmp
	wget -O git.zip https://github.com/git/git/archive/master.zip
	unzip git.zip
	cd git-*

	sudo apt-get install make autoconf libcurl4-gnutls-dev gettext gcc zlib1g-dev

	make configure
	./configure --prefix=/usr --without-tcltk
	make all

	#删除虚悬镜像
	docker image prune --force

	#删除停止或一直处于已创建状态的实例
	docker ps --filter "status=exited"\|sed -n -e '2,$p'\|awk '{print $1}'\|xargs docker rm
	docker ps --filter "status=created"\|sed -n -e '2,$p'\|awk '{print $1}'\|xargs docker rm

	#删除REPOSITORY是长uuid的镜像
	docker images \| sed -n -e '2,$p'\|awk '{if($1 ~ /[0-9a-f]{32}/) print $1":"$2}'\|xargs docker rmi

	// Join two list to a dict.
	var keys = new List<int> { 1, 2, 3 };
	var values = new List<string> { "one", "two", "three" };

	var dictionary = keys.Zip(values, (k, v) => new { Key = k, Value = v })
	.ToDictionary(x => x.Key, x => x.Value);
	var lines = dictionary.Select(kvp => kvp.Key + ": " + kvp.Value.ToString());
	Console.WriteLine(String.Join(Environment.NewLine, lines));

	// Filter Pattern with Lamda to List

	try {
	File file = new File("stderr.log");
	FileOutputStream fos = null;
	fos = new FileOutputStream(file);
	PrintStream ps = new PrintStream(fos);
	System.setErr(ps);
	} catch (FileNotFoundException e) {
	e.printStackTrace();
	}

	# Measure Powershell running time
	Measure-Command { $PATH_TO_PS_FILE.ps $PARAMETERS \| Out-Host }