JDK 1.2 tools.jar is the JAR file for JDK 1.2 tools. It contains Java classes to support different JDK tool commands:

sun.applet.Main - Supports the "appletviewer" command.
sun.rmi.rmic.Main - Supports the "rmic" command.
sun.security.tools.jarsigner.Main - Supports the "jarsigner" command.
sun.tools.jar.Main - Supports the "jar" command.
sun.tools.javac.Main - Supports the "javac" command. 
sun.tools.jcmd.JCmd - Supports the "jcmd" command.
sun.tools.jinfo.JInfo - Supports the "jinfo" command.
sun.tools.jmap.JMap - Supports the "jmap" command.
sun.tools.jps.Jps - Supports the "jps" command.
sun.tools.jstack.JStack - Supports the "jstack" command.
sun.tools.jstat.Jstat - Supports the "jstat" command.
sun.tools.jstatd.Jstatd - Supports the "jstatd" command.
sun.tools.native2ascii.Main - Supports the "native2ascii" command.
sun.tools.serialver.SerialVer - Supports the "serialver" command.
... 

JAR File Information:

Directory of C:\fyicenter\jdk-1.2.2_17\lib
       2,022,329 tools.jar

Package Content:

<<<Previous part
com/sun/javadoc/ClassDoc.class
com/sun/javadoc/ConstructorDoc.class
com/sun/javadoc/Doc.class
com/sun/javadoc/DocErrorReporter.class
com/sun/javadoc/Doclet.class
com/sun/javadoc/ExecutableMemberDoc.class
com/sun/javadoc/FieldDoc.class
com/sun/javadoc/MemberDoc.class
com/sun/javadoc/MethodDoc.class
com/sun/javadoc/PackageDoc.class
com/sun/javadoc/Parameter.class
com/sun/javadoc/ParamTag.class
com/sun/javadoc/ProgramElementDoc.class
com/sun/javadoc/RootDoc.class
com/sun/javadoc/SeeTag.class
com/sun/javadoc/SerialFieldTag.class
com/sun/javadoc/Tag.class
com/sun/javadoc/ThrowsTag.class
com/sun/javadoc/Type.class

⇒ JRE 1.2 i18n.jar - Internationalization Support

⇐ JDK 1.2 dt.jar - Java Swing Desktop

⇑ Download and Review JDK 1.2

⇑⇑ FAQ for JDK (Java Development Kit)