J2EE Platform Web Services

C.13.1 Java 2 Standard Edition (J2SE)

Windows Platform

Verify the CLASSPATH and CP variables , as shown in Figure C-10.

Figure C-10 Verify CLASSPATH Variables

D:\>Set more

This should show the same environment variables as in your previous definition.

Verify the JRE installation by checking the version of the run time (see Figure C-11).

Figure C-11 Verify the J2SE Version Number

D:\> java -version java version "1.4.0_01" Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0_01-b03) Java HotSpot(TM) Client VM (build 1.4.0_01-b03, mixed mode)

This verifies the same software version of the J2SE run-time library.

Verify the SDK installation, as shown in Figure C-12.

This denotes the Java compiler is available for compiling Java classes now.

Figure C-12 Verify the J2SE SDK Installation

D:\> javac -help Usage: javac <options> <source files> where possible options include: -g Generate all debugging info -g:none Generate no debugging info -g:{lines,vars,source} Generate only some debugging info -O Optimize; may hinder debugging or enlarge class file -nowarn Generate no warnings -verbose Output messages about what the compiler is doing -deprecation Output source locations where deprecated APIs are used -classpath <path> Specify where to find user class files -sourcepath <path> Specify where to find input source files -bootclasspath <path> Override location of bootstrap class files -extdirs <dirs> Override location of installed extensions -d <directory> Specify where to place generated class files -encoding <encoding> Specify character encoding used by source files -source <release> Provide source compatibility with specified release -target <release> Generate class files for specific VM version -help Print a synopsis of standard options