JDK 7 tools.jar is the JAR file for JDK 7 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-1.7.0_80\lib
      15,266,532 tools.jar

Package Content:

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com/sun/tools/doclets/formats/html/HtmlSerialMethodWriter.class
com/sun/tools/doclets/formats/html/LinkFactoryImpl.class
com/sun/tools/doclets/formats/html/LinkInfoImpl.class
com/sun/tools/doclets/formats/html/LinkOutputImpl.class
com/sun/tools/doclets/formats/html/markup/Comment.class
com/sun/tools/doclets/formats/html/markup/DocType.class
com/sun/tools/doclets/formats/html/markup/HtmlAttr.class
com/sun/tools/doclets/formats/html/markup/HtmlConstants.class
com/sun/tools/doclets/formats/html/markup/HtmlDocument.class
com/sun/tools/doclets/formats/html/markup/HtmlDocWriter.class
com/sun/tools/doclets/formats/html/markup/HtmlStyle.class
com/sun/tools/doclets/formats/html/markup/HtmlTag.class
com/sun/tools/doclets/formats/html/markup/HtmlTree.class
com/sun/tools/doclets/formats/html/markup/HtmlWriter.class
com/sun/tools/doclets/formats/html/markup/RawHtml.class
com/sun/tools/doclets/formats/html/markup/StringContent.class
com/sun/tools/doclets/formats/html/MethodWriterImpl.class
com/sun/tools/doclets/formats/html/NestedClassWriterImpl.class
com/sun/tools/doclets/formats/html/PackageFrameWriter.class
com/sun/tools/doclets/formats/html/PackageIndexFrameWriter.class
com/sun/tools/doclets/formats/html/PackageIndexWriter.class
com/sun/tools/doclets/formats/html/PackageTreeWriter.class
com/sun/tools/doclets/formats/html/PackageUseWriter.class
com/sun/tools/doclets/formats/html/PackageWriterImpl.class
com/sun/tools/doclets/formats/html/PropertyWriterImpl.class
com/sun/tools/doclets/formats/html/resources/standard.class
com/sun/tools/doclets/formats/html/resources/standard_ja.class
com/sun/tools/doclets/formats/html/resources/standard_zh_CN.class
com/sun/tools/doclets/formats/html/SerializedFormWriterImpl.class
com/sun/tools/doclets/formats/html/SingleIndexWriter.class
com/sun/tools/doclets/formats/html/SourceToHTMLConverter.class
com/sun/tools/doclets/formats/html/SplitIndexWriter.class
com/sun/tools/doclets/formats/html/SubWriterHolderWriter.class
com/sun/tools/doclets/formats/html/TagletOutputImpl.class
com/sun/tools/doclets/formats/html/TagletWriterImpl.class
com/sun/tools/doclets/formats/html/TreeWriter.class
com/sun/tools/doclets/formats/html/WriterFactoryImpl.class
com/sun/tools/doclets/internal/toolkit/AbstractDoclet.class
com/sun/tools/doclets/internal/toolkit/AnnotationTypeOptionalMemberWriter.class
com/sun/tools/doclets/internal/toolkit/AnnotationTypeRequiredMemberWriter.class
com/sun/tools/doclets/internal/toolkit/AnnotationTypeWriter.class
com/sun/tools/doclets/internal/toolkit/builders/AbstractBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/AbstractMemberBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/AnnotationTypeBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/AnnotationTypeOptionalMemberBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/AnnotationTypeRequiredMemberBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/BuilderFactory.class
com/sun/tools/doclets/internal/toolkit/builders/ClassBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/ConstantsSummaryBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/ConstructorBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/EnumConstantBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/FieldBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/LayoutParser.class
com/sun/tools/doclets/internal/toolkit/builders/MemberSummaryBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/MethodBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/PackageSummaryBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/PropertyBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/SerializedFormBuilder.class
com/sun/tools/doclets/internal/toolkit/builders/XMLNode.class
com/sun/tools/doclets/internal/toolkit/ClassWriter.class
com/sun/tools/doclets/internal/toolkit/Configuration.class
com/sun/tools/doclets/internal/toolkit/ConstantsSummaryWriter.class
com/sun/tools/doclets/internal/toolkit/ConstructorWriter.class
com/sun/tools/doclets/internal/toolkit/Content.class
com/sun/tools/doclets/internal/toolkit/EnumConstantWriter.class
com/sun/tools/doclets/internal/toolkit/FieldWriter.class
com/sun/tools/doclets/internal/toolkit/MemberSummaryWriter.class
com/sun/tools/doclets/internal/toolkit/MethodWriter.class
com/sun/tools/doclets/internal/toolkit/NestedClassWriter.class
com/sun/tools/doclets/internal/toolkit/PackageSummaryWriter.class
com/sun/tools/doclets/internal/toolkit/PropertyWriter.class
com/sun/tools/doclets/internal/toolkit/resources/doclets.class
com/sun/tools/doclets/internal/toolkit/resources/doclets_ja.class
com/sun/tools/doclets/internal/toolkit/resources/doclets_zh_CN.class
com/sun/tools/doclets/internal/toolkit/SerializedFormWriter.class
com/sun/tools/doclets/internal/toolkit/taglets/BaseExecutableMemberTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/BaseInlineTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/BasePropertyTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/BaseTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/CodeTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/DeprecatedTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/DocRootTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/ExpertTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/InheritableTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/InheritDocTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/LegacyTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/LiteralTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/ParamTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/PropertyGetterTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/PropertySetterTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/ReturnTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/SeeTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/SimpleTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/Taglet.class
com/sun/tools/doclets/internal/toolkit/taglets/TagletManager.class
com/sun/tools/doclets/internal/toolkit/taglets/TagletOutput.class
com/sun/tools/doclets/internal/toolkit/taglets/TagletWriter.class
com/sun/tools/doclets/internal/toolkit/taglets/ThrowsTaglet.class
com/sun/tools/doclets/internal/toolkit/taglets/ValueTaglet.class
com/sun/tools/doclets/internal/toolkit/util/ClassDocCatalog.class
com/sun/tools/doclets/internal/toolkit/util/ClassTree.class
com/sun/tools/doclets/internal/toolkit/util/ClassUseMapper.class
com/sun/tools/doclets/internal/toolkit/util/CommentedMethodFinder.class
com/sun/tools/doclets/internal/toolkit/util/DeprecatedAPIListBuilder.class
com/sun/tools/doclets/internal/toolkit/util/DirectoryManager.class
com/sun/tools/doclets/internal/toolkit/util/DocFinder.class
com/sun/tools/doclets/internal/toolkit/util/DocletAbortException.class
com/sun/tools/doclets/internal/toolkit/util/DocletConstants.class
com/sun/tools/doclets/internal/toolkit/util/Extern.class
com/sun/tools/doclets/internal/toolkit/util/Group.class
com/sun/tools/doclets/internal/toolkit/util/ImplementedMethods.class
com/sun/tools/doclets/internal/toolkit/util/IndexBuilder.class
com/sun/tools/doclets/internal/toolkit/util/links/LinkFactory.class
com/sun/tools/doclets/internal/toolkit/util/links/LinkInfo.class
com/sun/tools/doclets/internal/toolkit/util/links/LinkOutput.class
com/sun/tools/doclets/internal/toolkit/util/MessageRetriever.class
com/sun/tools/doclets/internal/toolkit/util/MetaKeywords.class
com/sun/tools/doclets/internal/toolkit/util/MethodFinder.class
com/sun/tools/doclets/internal/toolkit/util/PackageListWriter.class
com/sun/tools/doclets/internal/toolkit/util/SourcePath.class
com/sun/tools/doclets/internal/toolkit/util/TaggedMethodFinder.class
com/sun/tools/doclets/internal/toolkit/util/TextTag.class
com/sun/tools/doclets/internal/toolkit/util/Util.class
com/sun/tools/doclets/internal/toolkit/util/VisibleMemberMap.class
com/sun/tools/doclets/internal/toolkit/WriterFactory.class
com/sun/tools/doclets/standard/Standard.class
com/sun/tools/doclets/Taglet.class
com/sun/tools/example/debug/expr/ASCII_UCodeESC_CharStream.class
com/sun/tools/example/debug/expr/ExpressionParser.class
com/sun/tools/example/debug/expr/ExpressionParserConstants.class
com/sun/tools/example/debug/expr/ExpressionParserTokenManager.class
com/sun/tools/example/debug/expr/JJExpressionParserCalls.class
com/sun/tools/example/debug/expr/LValue.class
com/sun/tools/example/debug/expr/ParseException.class
com/sun/tools/example/debug/expr/Token.class
com/sun/tools/example/debug/expr/TokenMgrError.class
com/sun/tools/example/debug/tty/AccessWatchpointSpec.class
com/sun/tools/example/debug/tty/AmbiguousMethodException.class
com/sun/tools/example/debug/tty/BreakpointSpec.class
com/sun/tools/example/debug/tty/Commands.class
com/sun/tools/example/debug/tty/Env.class
com/sun/tools/example/debug/tty/EventHandler.class
com/sun/tools/example/debug/tty/EventNotifier.class
com/sun/tools/example/debug/tty/EventRequestSpec.class
com/sun/tools/example/debug/tty/EventRequestSpecList.class
com/sun/tools/example/debug/tty/ExceptionSpec.class
com/sun/tools/example/debug/tty/LineNotFoundException.class
com/sun/tools/example/debug/tty/MalformedMemberNameException.class
com/sun/tools/example/debug/tty/MessageOutput.class
com/sun/tools/example/debug/tty/ModificationWatchpointSpec.class
com/sun/tools/example/debug/tty/PatternReferenceTypeSpec.class
com/sun/tools/example/debug/tty/ReferenceTypeSpec.class
com/sun/tools/example/debug/tty/SourceMapper.class
com/sun/tools/example/debug/tty/ThreadGroupIterator.class
com/sun/tools/example/debug/tty/ThreadInfo.class
com/sun/tools/example/debug/tty/ThreadIterator.class
com/sun/tools/example/debug/tty/TTY.class
com/sun/tools/example/debug/tty/TTYResources.class
com/sun/tools/example/debug/tty/TTYResources_ja.class
com/sun/tools/example/debug/tty/TTYResources_zh_CN.class
com/sun/tools/example/debug/tty/VMConnection.class
com/sun/tools/example/debug/tty/VMNotConnectedException.class
com/sun/tools/example/debug/tty/WatchpointSpec.class
com/sun/tools/extcheck/ExtCheck.class
com/sun/tools/extcheck/Main.class
com/sun/tools/hat/internal/model/AbstractJavaHeapObjectVisitor.class
com/sun/tools/hat/internal/model/ArrayTypeCodes.class
com/sun/tools/hat/internal/model/HackJavaValue.class
com/sun/tools/hat/internal/model/JavaBoolean.class
com/sun/tools/hat/internal/model/JavaByte.class
com/sun/tools/hat/internal/model/JavaChar.class
com/sun/tools/hat/internal/model/JavaClass.class
com/sun/tools/hat/internal/model/JavaDouble.class
com/sun/tools/hat/internal/model/JavaField.class
com/sun/tools/hat/internal/model/JavaFloat.class
com/sun/tools/hat/internal/model/JavaHeapObject.class
com/sun/tools/hat/internal/model/JavaHeapObjectVisitor.class
com/sun/tools/hat/internal/model/JavaInt.class
com/sun/tools/hat/internal/model/JavaLazyReadObject.class
com/sun/tools/hat/internal/model/JavaLong.class
com/sun/tools/hat/internal/model/JavaObject.class
com/sun/tools/hat/internal/model/JavaObjectArray.class
com/sun/tools/hat/internal/model/JavaObjectRef.class
com/sun/tools/hat/internal/model/JavaShort.class
com/sun/tools/hat/internal/model/JavaStatic.class
com/sun/tools/hat/internal/model/JavaThing.class
com/sun/tools/hat/internal/model/JavaValue.class
com/sun/tools/hat/internal/model/JavaValueArray.class
com/sun/tools/hat/internal/model/ReachableExcludes.class
com/sun/tools/hat/internal/model/ReachableExcludesImpl.class
com/sun/tools/hat/internal/model/ReachableObjects.class
com/sun/tools/hat/internal/model/ReferenceChain.class
com/sun/tools/hat/internal/model/Root.class
com/sun/tools/hat/internal/model/Snapshot.class
com/sun/tools/hat/internal/model/StackFrame.class
com/sun/tools/hat/internal/model/StackTrace.class
com/sun/tools/hat/internal/oql/ObjectVisitor.class
com/sun/tools/hat/internal/oql/OQLEngine.class
com/sun/tools/hat/internal/oql/OQLException.class
com/sun/tools/hat/internal/oql/OQLQuery.class
com/sun/tools/hat/internal/parser/FileReadBuffer.class
com/sun/tools/hat/internal/parser/HprofReader.class
com/sun/tools/hat/internal/parser/MappedReadBuffer.class
com/sun/tools/hat/internal/parser/PositionDataInputStream.class
com/sun/tools/hat/internal/parser/PositionInputStream.class
com/sun/tools/hat/internal/parser/ReadBuffer.class
com/sun/tools/hat/internal/parser/Reader.class
com/sun/tools/hat/internal/server/AllClassesQuery.class
com/sun/tools/hat/internal/server/AllRootsQuery.class
com/sun/tools/hat/internal/server/ClassQuery.class
com/sun/tools/hat/internal/server/FinalizerObjectsQuery.class
com/sun/tools/hat/internal/server/FinalizerSummaryQuery.class
com/sun/tools/hat/internal/server/HistogramQuery.class
com/sun/tools/hat/internal/server/HttpReader.class
com/sun/tools/hat/internal/server/InstancesCountQuery.class
com/sun/tools/hat/internal/server/InstancesQuery.class
com/sun/tools/hat/internal/server/ObjectQuery.class
com/sun/tools/hat/internal/server/OQLHelp.class
com/sun/tools/hat/internal/server/OQLQuery.class
com/sun/tools/hat/internal/server/PlatformClasses.class
com/sun/tools/hat/internal/server/QueryHandler.class
com/sun/tools/hat/internal/server/QueryListener.class
com/sun/tools/hat/internal/server/ReachableQuery.class
com/sun/tools/hat/internal/server/RefsByTypeQuery.class
com/sun/tools/hat/internal/server/RootsQuery.class
com/sun/tools/hat/internal/server/RootStackQuery.class
com/sun/tools/hat/internal/util/ArraySorter.class
com/sun/tools/hat/internal/util/Comparer.class
com/sun/tools/hat/internal/util/CompositeEnumeration.class
com/sun/tools/hat/internal/util/Misc.class
com/sun/tools/hat/internal/util/VectorSorter.class
com/sun/tools/hat/Main.class
com/sun/tools/javac/api/ClientCodeWrapper.class
com/sun/tools/javac/api/DiagnosticFormatter.class
com/sun/tools/javac/api/Formattable.class
com/sun/tools/javac/api/JavacScope.class
com/sun/tools/javac/api/JavacTaskImpl.class
com/sun/tools/javac/api/JavacTool.class
com/sun/tools/javac/api/JavacTrees.class
com/sun/tools/javac/api/Messages.class
com/sun/tools/javac/api/WrappingJavaFileManager.class
com/sun/tools/javac/code/Attribute.class
com/sun/tools/javac/code/BoundKind.class
com/sun/tools/javac/code/DeferredLintHandler.class
com/sun/tools/javac/code/Flags.class
com/sun/tools/javac/code/Kinds.class
com/sun/tools/javac/code/Lint.class
com/sun/tools/javac/code/Printer.class
com/sun/tools/javac/code/Scope.class
com/sun/tools/javac/code/Source.class
com/sun/tools/javac/code/Symbol.class
com/sun/tools/javac/code/Symtab.class
com/sun/tools/javac/code/TargetType.class
com/sun/tools/javac/code/Type.class
com/sun/tools/javac/code/TypeAnnotationPosition.class
com/sun/tools/javac/code/Types.class
com/sun/tools/javac/code/TypeTags.class
com/sun/tools/javac/comp/Annotate.class
com/sun/tools/javac/comp/Attr.class
com/sun/tools/javac/comp/AttrContext.class
com/sun/tools/javac/comp/AttrContextEnv.class
Next part >>

⇒ JRE 7 alt-rt.jar - Alternative RT (RunTime)

⇐ JDK 7 sa-jdi.jar - HSDB (Hotspot Debugger)

⇑ Download and Use JDK 7

⇑⇑ FAQ for JDK (Java Development Kit)