JDK設定步驟

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JDK設定步驟：

   1. java程式的compiler，tools，package甚至是source code都包含在jdk這個套件中，jdk可到sun取得，各平台都有jdk的套件，請依需要選擇然後安裝。
   2. 拿到jdk解開後，會安裝在一個目錄下 如：windows下 c：\jdk1.1 ; 或 unix 下/usr/local/java
   3. 在作業系統下增加JDK路徑，及classpath的環境變數：

      windows：

      ================ AUTOEXEC.BAT ==============

      PATH=%PATH%;C：\JDK1.2\BIN

      SET CLASSPATH = C：\JDK1.2\JRE\LIB;  <== 若為jdk1.2則不須加上此行

      ============================================   

      unix：(bash or sh)

      ================ .profile ==================

      PATH=$PATH：/usr/local/java/bin

      CLASSPATH=/usr/local/java/jre/lib：  <== 若為jdk1.2則不須加上此行

      export PATH

      export CLASSPATH

      ============================================

   4. 當寫好程式 InstanceSample.java ， 必須要將程式編譯(compile)

      windows： 

      c：\jdk1.2>javac InstanceSample.java

      unix：

      # javac InstanceSample.java

   5. 程式編譯後，會產生 ClassSample1.class 的bytecode， 如果要執行，可打

      windows： 

      c：\>java InstanceSample

      unix：

      # java InstanceSample

如何執行Applet：

     假設Applet程式放在 ExtendsSample.html中

     c：\>appletviewer ExtendsSample.html

Bible：

     寫程式最重要的是參考資料，因此jdk內的package用法必須到 Sun

     下載jdk的document(java api)，才能知道如何使用

     %%% very important %%%

#end

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