我正在尝试在运行64位Windows 10的Surface Pro 3上安装JDK。
正如《Core Java》的作者所建议的那样,我将Java安装在C:\Java\jdk1.8.0_72\
路径下,以避免路径名中包含空格。我保证我已经安装了一个JDK(从这里下载),而不是一个JRE。
然而,在设置了环境变量path
之后,我打开命令提示符,输入javac -version
,结果它告诉我'javac' is not recognized as an internal or external command, operable program or batch file.
。所以我检查了C:\Java\jdk1.8.0_72\bin\
目录,发现没有名为javac.exe
的可执行文件!
这怎么可能呢?现在我该怎么办?
这是我在jdk\bin
目录下运行dir
时的CMD输出:
Microsoft Windows [版本 10.0.10240]
(c) 2015 Microsoft Corporation. All rights reserved.
C:\Users\sqy>cd C:\Java\jdk1.8.0_72\bin
C:\Java\jdk1.8.0_72\bin>dir
驱动器 C 中的卷没有标签。
卷的序列号是 D611-8A7A
C:\Java\jdk1.8.0_72\bin 的目录
2016/02/02 13:28 <DIR> .
2016/02/02 13:28 <DIR> ..
2016/02/02 13:28 1,182,304 awt.dll
2016/02/02 13:28 15,456 bci.dll
2016/02/02 13:28 <DIR> client
2016/02/02 13:28 142,944 dcpr.dll
2016/02/02 13:28 63,584 decora_sse.dll
2016/02/02 13:28 451,168 deploy.dll
2016/02/02 13:28 <DIR> dtplugin
2016/02/02 13:28 25,184 dt_shmem.dll
2016/02/02 13:28 21,600 dt_socket.dll
2016/02/02 13:28 109,152 eula.dll
2016/02/02 13:28 222,816 fontmanager.dll
2016/02/02 13:28 151,136 fxplugins.dll
2016/02/02 13:28 200,800 glass.dll
2016/02/02 13:28 400,992 glib-lite.dll
2016/02/02 13:28 514,656 gstreamer-lite.dll
2016/02/02 13:28 131,680 hprof.dll
2016/02/02 13:28 115,808 instrument.dll
2016/02/02 13:28 16,480 j2pcsc.dll
2016/02/02 13:28 51,296 j2pkcs11.dll
2016/02/02 13:28 19,552 jaas_nt.dll
2016/02/02 13:28 30,816 jabswitch.exe
2016/02/02 13:28 15,968 java-rmi.exe
2016/02/02 13:28 126,560 java.dll
2016/02/02 13:28 191,072 java.exe
2016/02/02 13:28 127,584 JavaAccessBridge.dll
2016/02/02 13:28 153,088 javacpl.cpl
2016/02/02 13:28 68,704 javacpl.exe
2016/02/02 13:28 57,440 javafx_font.dll
2016/02/02 13:28 444,000 javafx_font_t2k.dll
2016/02/02 13:28 126,048 javafx_iio.dll
2016/02/02 13:28 191,584 javaw.exe
2016/02/02 13:28 268,384 javaws.exe
2016/02/02 13:28 23,648 java_crw_demo.dll
2016/02/02 13:28 13,920 jawt.dll
2016/02/02 13:28 14,944 JAWTAccessBridge.dll
2016/02/02 13:28 163,936 jdwp.dll
2016/02/02 13:28 22,624 jfr.dll
2016/02/02 13:28 115,296 jfxmedia.dll
2016/02/02 13:28 33,926,240 jfxwebkit.dll
2016/02/02 13:28 15,968 jjs.exe
2016/02/02 13:28 158,816 jli.dll
2016/02/02 13:28 205,920 jp2iexp.dll
2016/02/02 13:28 77,920 jp2launcher.exe
2016/02/02 13:28 19,040 jp2native.dll
2016/02/02 13:28 173,152 jp2ssv.dll
2016/02/02 13:28 146,016 jpeg.dll
2016/02/02 13:28 16,480 jsdt.dll
2016/02/02 13:28 30,816 jsound.dll
2016/02/02 13:28 27,744 jsoundds.dll
2016/02/02 13:28 178,272 kcms.dll
2016/02/02 13:28 15,968 keytool.exe
2016/02/02 13:28 15,968 kinit.exe
2016/02/02 13:28 15,968 klist.exe
2016/02/02 13:28 15,968 ktab.exe
2016/02/02 13:28 185,952 lcms.dll
2016/02/02 13:28 33,376 management.dll
2016/02/02 13:28 574,560 mlib_image.dll
2016/02/02 13:28 455,328 msvcp120.dll
2016/02/02 13:28 773,968 msvcr100.dll
2016/02/02 13:28 970,912 msvcr120.dll
2016/02/02 13:28 79,968 net.dll
2016/02/02 13:28 51,296 nio.dll
2016/02/02 13:28 17,504 npt.dll
2016/02/02 13:28 16,480 orbd.exe
2016/02/02 13:28 15,968 pack200.exe
2016/02/02 13:28 <DIR> plugin2
2016/02/02 13:28 15,968 policytool.exe
2016/02/02 13:28 52,832 prism_common.dll
2016/02/02 13:28 116,832 prism_d3d.dll
2016/02/02 13:28 86,112 prism_sw.dll
2016/02/02 13:28 14,944 resource.dll
2016/02/02 13:28 15,968 rmid.exe
2016/02/02 13:28 15,968 rmiregistry.exe
2016/02/02 13:28 15,968 servertool.exe
2016/02/02 13:28 177,248 splashscreen.dll
2016/02/02 13:28 462,432 ssv.dll
2016/02/02 13:28 51,808 ssvagent.exe
2016/02/02 13:28 124,000 sunec.dll
2016/02/02 13:28 25,696 sunmscapi.dll
2016/02/02 13:28 193,120 t2k.dll
2016/02/02 13:28 16,480 tnameserv.exe
2016/02/02 13:28 65,632 unpack.dll
2016/02/02 13:28 159,328 unpack200.exe
2016/02/02 13:28 39,520 verify.dll
2016/02/02 13:28 21,600 w2k_lsa_auth.dll
2016/02/02 13:28 95,840 WindowsAccessBridge.dll
2016/02/02 13:28 164,448 wsdetect.dll
2016/02/02 13:28 69,728 zip.dll
85 个文件 46,209,264 字节
5 个目录 150,936,281,088 可用字节
C:\Java\jdk1.8.0_72\bin>
是的,我是一个中国人,所以输出中有一些中文字符。我已经将默认语言更改为英语,但它们仍然存在。不过,我想你仍然可以获取所需的信息。
C:\Java\jdk1.8.0_72\bin\
已经添加到path
中,但它仍然无法工作。 - nalzokjdk-8u72-windows-x64.exe
。从它的名称判断,我认为这是一个JDK安装程序。 - nalzok