How to install jdk in Ubuntu 11.10

install jdk in linux is easy,you don not need to download jdk alone,

open your Termianl:

1. apt-cache search jdk

1. a list of jdk for you as follow:

1. default-jdk - Standard Java or Java compatible Development Kit
2. default-jdk-doc - Standard Java or Java compatible Development Kit (documentation)
3. default-jre - Standard Java or Java compatible Runtime
4. default-jre-headless - Standard Java or Java compatible Runtime (headless)
5. gcj-4.4-jdk - gcj and classpath development tools for Java(TM)
6. gcj-4.6-jdk - gcj and classpath development tools for Java(TM)
7. gcj-jdk - gcj and classpath development tools for Java(TM)
8. gcj-native-helper - Standard helper tools for creating gcj native packages
9. libcommons-lang-java - Extension of the java.lang package
10. libcommons-lang-java-doc - Extension of the java.lang package
11. libhessian-java - Java implementation of a binary protocol for web services
12. libhessian-java-doc - Documentation for libhessian-java
13. libpg-java - Java database (JDBC) driver for PostgreSQL
14. libpg-java-doc - Java database (JDBC) driver for PostgreSQL (documentation)
15. mauve - free test suite for the Java Class libraries
16. jde - JDEE, Java Development Environment for Emacs(en)
17. fakeroot-ng - Gives a fake root environment
18. freemind - Java Program for creating and viewing Mindmaps
19. gcj-4.5-jdk - gcj and classpath development tools for Java(TM)
20. japitools - Java API compatibility testing tools
21. java3ds-fileloader - Java3D 3DS File Loader
22. jtreg - Regression Test Harness for the OpenJDK platform
23. libcommons-launcher-java - cross platform java application launcher
24. libcommons-math-java - Java lightweight mathematics and statistics components
25. libcommons-math-java-doc - Java lightweight mathematics and statistics components - documentation
26. libhibernate-commons-annotations-java - Hibernate Commons Annotations
27. libicu4j-4.2-java - Library for Unicode support and internalisation
28. libicu4j-4.4-java - Library for Unicode support and internalisation
29. libicu4j-java - Library for unicode support and internalisation
30. libitext1-java - Java Library to generate PDF on the Fly
31. libjboss-aop-java - JBoss Aspect Oriented Programming (AOP) framework
32. libjboss-common-java - The JBoss Common Project
33. libjboss-marshalling-java - alternative serialization API
34. libjson-simple-java - Simple, lightweight and efficient JSON toolkit for Java
35. libjxp-java - Java template engine/script processor
36. libmaven-enforcer-plugin-java - Maven build rule execution framework
37. libnb-javaparser-java - Parser for the Java language which is good for use in tools
38. libpicocontainer-java - Java library implementing the Dependency Injection pattern
39. libslf4j-java - Simple Logging Facade for Java
40. libtrove-java - high performance collections for java
41. libtrove-java-doc - high performance collections for java
42. libwagon-java - tools to manage Maven artifacts and deployment
43. mmake - Makefile generator for Java programs
44. substance - cross-platform look & feel for Swing applications
45. substance-doc - cross-platform look & feel for Swing applications - documentation
46. testng - testing framework for Java
47. usepackage - utility to manage environment variables from within dotfiles
48. uwsgi-app-integration-plugins - plugins for integration of uWSGI and application
49. uwsgi-plugin-jvm-openjdk-6 - Java plugin for uWSGI (OpenJDK 6)
50. uwsgi-plugin-jwsgi-openjdk-6 - JWSGI plugin for uWSGI (OpenJDK 6)
51. visualvm - All-in-One Java Troubleshooting Tool
52. icedtea-6-jre-cacao - Alternative JVM for OpenJDK, using Cacao
53. icedtea-6-jre-jamvm - Alternative JVM for OpenJDK, using JamVM
54. icedtea-plugin - web browser plugin based on OpenJDK and IcedTea to execute Java applets
55. libreoffice - office productivity suite
56. openjdk-6-dbg - Java runtime based on OpenJDK (debugging symbols)
57. openjdk-6-demo - Java runtime based on OpenJDK (demos and examples)
58. openjdk-6-doc - OpenJDK Development Kit (JDK) documentation
59. openjdk-6-jdk - OpenJDK Development Kit (JDK)
60. openjdk-6-jre - OpenJDK Java runtime, using Hotspot JIT
61. openjdk-6-jre-headless - OpenJDK Java runtime, using Hotspot JIT (headless)
62. openjdk-6-jre-lib - OpenJDK Java runtime (architecture independent libraries)
63. openjdk-6-source - OpenJDK Development Kit (JDK) source files
64. icedtea-7-jre-jamvm - Alternative JVM for OpenJDK, using JamVM
65. openjdk-6-jre-zero - Alternative JVM for OpenJDK, using Zero/Shark
66. openjdk-7-dbg - Java runtime based on OpenJDK (debugging symbols)
67. openjdk-7-demo - Java runtime based on OpenJDK (demos and examples)
68. openjdk-7-doc - OpenJDK Development Kit (JDK) documentation
69. openjdk-7-jdk - OpenJDK Development Kit (JDK)
70. openjdk-7-jre - OpenJDK Java runtime, using Hotspot JIT
71. openjdk-7-jre-headless - OpenJDK Java runtime, using Hotspot JIT (headless)
72. openjdk-7-jre-lib - OpenJDK Java runtime (architecture independent libraries)
73. openjdk-7-jre-zero - Alternative JVM for OpenJDK, using Zero/Shark
74. openjdk-7-source - OpenJDK Development Kit (JDK) source files

1. 2. sudo apt-get install openjdk-6-jdk

1. it get start to install.

不需要再配置環境變量即可直接使用

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