怎么启用Java

Java是一种通常用于网站和应用程序的编程语言和平台。在没有启用Java的情况下，你可能会在使用特定网站和应用程序时遇到麻烦。要使用Java，你必须通过Java控制面板和浏览器启用其附加组件。参考以下步骤了解如何在控制面板和你的首选浏览器中启用Java。

步骤

在Microsoft Windows上启用Java

1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/5\/53\/Enable-Java-Step-1-Version-4.jpg\/v4-460px-Enable-Java-Step-1-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/5\/53\/Enable-Java-Step-1-Version-4.jpg\/v4-728px-Enable-Java-Step-1-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 点击"开始"按钮并选择"控制面板"。
2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/5\/58\/Enable-Java-Step-2-Version-4.jpg\/v4-460px-Enable-Java-Step-2-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/5\/58\/Enable-Java-Step-2-Version-4.jpg\/v4-728px-Enable-Java-Step-2-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 在Windows控制面板的搜索栏中输入"Java控制面板"。
3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/6\/69\/Enable-Java-Step-3-Version-4.jpg\/v4-460px-Enable-Java-Step-3-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/6\/69\/Enable-Java-Step-3-Version-4.jpg\/v4-728px-Enable-Java-Step-3-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 点击"Java"图标进入Java控制面板。
4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/c\/cc\/Enable-Java-Step-4-Version-4.jpg\/v4-460px-Enable-Java-Step-4-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/c\/cc\/Enable-Java-Step-4-Version-4.jpg\/v4-728px-Enable-Java-Step-4-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 点击名为"安全"的选项卡。
5. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/d\/d0\/Enable-Java-Step-5-Version-4.jpg\/v4-460px-Enable-Java-Step-5-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/d\/d0\/Enable-Java-Step-5-Version-4.jpg\/v4-728px-Enable-Java-Step-5-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 5 选中"在浏览器中启用Java内容"。
6. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/d\/d0\/Enable-Java-Step-6-Version-4.jpg\/v4-460px-Enable-Java-Step-6-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/d\/d0\/Enable-Java-Step-6-Version-4.jpg\/v4-728px-Enable-Java-Step-6-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 6 点击"应用"然后选择"确定"保存新的Java控制面板设置。
7. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/2\/2e\/Enable-Java-Step-7-Version-4.jpg\/v4-460px-Enable-Java-Step-7-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/2\/2e\/Enable-Java-Step-7-Version-4.jpg\/v4-728px-Enable-Java-Step-7-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 7 关闭任何已打开的浏览器，然后重新启动浏览器让新的Java设置生效。

在Mac OS X中启用Java

1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/8\/8b\/Enable-Java-Step-8-Version-2.jpg\/v4-460px-Enable-Java-Step-8-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/8\/8b\/Enable-Java-Step-8-Version-2.jpg\/v4-728px-Enable-Java-Step-8-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 点击Mac桌面左上角的"Apple"图标。
2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/c\/cb\/Enable-Java-Step-9-Version-2.jpg\/v4-460px-Enable-Java-Step-9-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/c\/cb\/Enable-Java-Step-9-Version-2.jpg\/v4-728px-Enable-Java-Step-9-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 点击"系统首选项"。
3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/b\/be\/Enable-Java-Step-10-Version-2.jpg\/v4-460px-Enable-Java-Step-10-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/b\/be\/Enable-Java-Step-10-Version-2.jpg\/v4-728px-Enable-Java-Step-10-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 点击"Java"进入Java控制面板。
4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/4\/4a\/Enable-Java-Step-11-Version-2.jpg\/v4-460px-Enable-Java-Step-11-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/4\/4a\/Enable-Java-Step-11-Version-2.jpg\/v4-728px-Enable-Java-Step-11-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 点击控制面板中名为"安全"的选项卡。
5. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/b\/b8\/Enable-Java-Step-12-Version-2.jpg\/v4-460px-Enable-Java-Step-12-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/b\/b8\/Enable-Java-Step-12-Version-2.jpg\/v4-728px-Enable-Java-Step-12-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 5 选中"在浏览器中启用Java内容"。
6. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/2\/2d\/Enable-Java-Step-13-Version-2.jpg\/v4-460px-Enable-Java-Step-13-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/2\/2d\/Enable-Java-Step-13-Version-2.jpg\/v4-728px-Enable-Java-Step-13-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 6 点击"应用"然后选择"确定"。新的Java控制面板设置将被保存。
7. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/5\/52\/Enable-Java-Step-14-Version-2.jpg\/v4-460px-Enable-Java-Step-14-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/5\/52\/Enable-Java-Step-14-Version-2.jpg\/v4-728px-Enable-Java-Step-14-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 7 关闭任何已打开的浏览器，然后重新启动浏览器让新的Java设置生效。

在Microsoft Internet Explorer中启用Java

1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/4\/4b\/Enable-Java-Step-15-Version-4.jpg\/v4-460px-Enable-Java-Step-15-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/4\/4b\/Enable-Java-Step-15-Version-4.jpg\/v4-728px-Enable-Java-Step-15-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 点击"工具"并选择"Internet选项"。
2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/d\/d9\/Enable-Java-Step-16-Version-4.jpg\/v4-460px-Enable-Java-Step-16-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/d\/d9\/Enable-Java-Step-16-Version-4.jpg\/v4-728px-Enable-Java-Step-16-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 点击名为"安全"的选项卡，选择"自定义级别"。
3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/5\/5b\/Enable-Java-Step-17-Version-4.jpg\/v4-460px-Enable-Java-Step-17-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/5\/5b\/Enable-Java-Step-17-Version-4.jpg\/v4-728px-Enable-Java-Step-17-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 选择名为"Java脚本小程序"选项旁的"启用"。
4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/2\/27\/Enable-Java-Step-18-Version-4.jpg\/v4-460px-Enable-Java-Step-18-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/2\/27\/Enable-Java-Step-18-Version-4.jpg\/v4-728px-Enable-Java-Step-18-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 点击"确定"按钮保存你的更改。

在Google Chrome中启用Java

1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/8\/8c\/Enable-Java-Step-19-Version-4.jpg\/v4-460px-Enable-Java-Step-19-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/8\/8c\/Enable-Java-Step-19-Version-4.jpg\/v4-728px-Enable-Java-Step-19-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 在Google Chrome地址栏中输入"about:plugins"。
2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/d\/d1\/Enable-Java-Step-20-Version-3.jpg\/v4-460px-Enable-Java-Step-20-Version-3.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/d\/d1\/Enable-Java-Step-20-Version-3.jpg\/v4-728px-Enable-Java-Step-20-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 点击"Java"部分的"启用"链接。如果该链接显示"禁用"的话将无需进行任何操作。

在Mozilla Firefox中启用Java

1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/9\/9a\/Enable-Java-Step-21-Version-4.jpg\/v4-460px-Enable-Java-Step-21-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/9\/9a\/Enable-Java-Step-21-Version-4.jpg\/v4-728px-Enable-Java-Step-21-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 点击浏览器左上角的"Firefox"按钮。
2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/f\/f1\/Enable-Java-Step-22-Version-4.jpg\/v4-460px-Enable-Java-Step-22-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/f\/f1\/Enable-Java-Step-22-Version-4.jpg\/v4-728px-Enable-Java-Step-22-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 选择"附加组件"。附加组件管理器将在新标签中打开。
3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/7\/72\/Enable-Java-Step-23-Version-4.jpg\/v4-460px-Enable-Java-Step-23-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/7\/72\/Enable-Java-Step-23-Version-4.jpg\/v4-728px-Enable-Java-Step-23-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 点击"插件"。
4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/c\/cf\/Enable-Java-Step-24-Version-4.jpg\/v4-460px-Enable-Java-Step-24-Version-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/c\/cf\/Enable-Java-Step-24-Version-4.jpg\/v4-728px-Enable-Java-Step-24-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 点击"Java (TM) 平台"旁的"启用"。如果该按钮显示"禁用"将无需进行任何操作。

在Apple Safari中启用Java

1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/0\/01\/Enable-Java-Step-25-Version-3.jpg\/v4-460px-Enable-Java-Step-25-Version-3.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/0\/01\/Enable-Java-Step-25-Version-3.jpg\/v4-728px-Enable-Java-Step-25-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 在浏览器中点击"Safari"，选择"首选项"。
2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/f\/fd\/Enable-Java-Step-26-Version-3.jpg\/v4-460px-Enable-Java-Step-26-Version-3.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/f\/fd\/Enable-Java-Step-26-Version-3.jpg\/v4-728px-Enable-Java-Step-26-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 点击"安全"选项卡。
3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/c\/c0\/Enable-Java-Step-27-Version-3.jpg\/v4-460px-Enable-Java-Step-27-Version-3.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/c\/c0\/Enable-Java-Step-27-Version-3.jpg\/v4-728px-Enable-Java-Step-27-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 选中"启用Java"。
4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/e\/e0\/Enable-Java-Step-28-Version-3.jpg\/v4-460px-Enable-Java-Step-28-Version-3.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/e\/e0\/Enable-Java-Step-28-Version-3.jpg\/v4-728px-Enable-Java-Step-28-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 关闭Safari首选项窗口保存你的设置。

小提示

• 如果你使用的设备不是计算机，而是像平板电脑、智能手机或者游戏控制台这样的设备，这样的设备可能不支持Java插件。直接咨询你的产品的生产商确定你的设备是否支持Java。
• 如果按照上述步骤操作后，你仍然无法运行Java，，你可能需要安装更新版本的Java。要下载最新版本的Java，可以点击本文下方来源部分给出的Java链接，并从登录页中选择"下载"。然后按照指引即可完成Java的安装过程。