Install Jdk

[sudirman]

Folder instal saya di ~/usr/lib/jvm/jdk1.7.0_21
lalu saya gunakan perintah :
# sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.7.0_21/bin/java" 1
# sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.7.0_21/bin/javac" 1
# sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.7.0_21/bin/javaws" 1

Namun ketika saya cek menggunakan "javac" atau "java -version" sistem memunculkan ini :
No such file or directory.

[siprof]

coba ketik

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sudo ldconfig

[septian19]

Folder instal saya di ~/usr/lib/jvm/jdk1.7.0_21
lalu saya gunakan perintah :
# sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.7.0_21/bin/java" 1
# sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.7.0_21/bin/javac" 1
# sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.7.0_21/bin/javaws" 1

Namun ketika saya cek menggunakan "javac" atau "java -version" sistem memunculkan ini :
No such file or directory.

Coba install dari PPA WebUpd8:

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sudo add-apt-repository ppa:webupd8team/java
sudo apt update

Untuk install JDK8:

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sudo apt install oracle-java8-installer oracle-java8-set-default

Untuk install JDK7:

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sudo apt install oracle-java7-installer oracle-java7-set-default

Semoga bisa membantu.