下面是我在 ubuntu 16.04 中安装的 java，但是我在这里面找不到 Javac 和 Jps。有人可以帮助如何获得它们。
$ java -version
openjdk version "1.8.0_131"
OpenJDK Runtime Environment (build 1.8.0_131-8u131-b11-0ubuntu1.16.04.2-b11)
OpenJDK 64-Bit Server VM (build 25.131-b11, mixed mode)
$ update-alternatives --get-selections | grep java
java auto /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
jexec auto /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/jexec
jjs auto /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/jjs
keytool auto /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/keytool
orbd auto /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/orbd
pack200 auto /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/pack200
rmid auto /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/rmid
rmiregistry auto /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/rmiregistry
servertool auto /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/servertool
tnameserv auto /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/tnameserv
unpack200 auto /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/unpack200
我看不到 JPS 和 JAVAC。任何人都可以帮忙吗？
openjdk ×1