<html><head></head><body><div dir="ltr" data-setdir="false"><div><div class="ydp571b2736yahoo-style-wrap" style="color: rgb(0, 0, 0); font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><div id="ydp571b2736yiv1987838844"><div class="ydp571b2736yiv1987838844ydp1df0a262yahoo-style-wrap"><span style="color: rgb(38, 40, 42);">Hello JLS Team,</span><br clear="none"></div><div id="ydp571b2736yiv1987838844ydpbeab1652yahoo_quoted_6005057395" class="ydp571b2736yiv1987838844ydpbeab1652yahoo_quoted"><div id="ydp571b2736yiv1987838844ydpbeab1652yiv4331360307"><div class="ydp571b2736yiv1987838844ydpbeab1652yiv4331360307ydp295042f7yahoo-style-wrap"><div dir="ltr" style="color: rgb(38, 40, 42);"><br clear="none"></div><div dir="ltr" style="color: rgb(38, 40, 42);">here I would want to do some observations about "Chapter 4" generic structure (and especially to names and the sequence numbers of paragraphs).</div><div dir="ltr" style="color: rgb(38, 40, 42);"><br clear="none"></div><div dir="ltr" style="color: rgb(38, 40, 42);">If you look at "Table of Contents" you can see the following substructure in "Chapter 4":</div><div dir="ltr" style="color: rgb(38, 40, 42);"><br clear="none"></div><div dir="ltr" style="color: rgb(38, 40, 42);">"</div><div dir="ltr" style="color: rgb(38, 40, 42);"><i></i><div>4.3 Reference Types and Values 52</div><div><span style="white-space: pre-wrap;"> </span>4.3.1 Objects 53</div><div><span style="white-space: pre-wrap;"> </span>4.3.2 The Class Object 56</div><div><span style="white-space: pre-wrap;"> </span>4.3.3 The Class String 56</div><div><span style="white-space: pre-wrap;"> </span>4.3.4 When Reference Types Are the Same 57</div><div>4.4 Type Variables 57</div></div><div dir="ltr" style="color: rgb(38, 40, 42);">"</div><div dir="ltr" style="color: rgb(38, 40, 42);"><br clear="none"></div><div dir="ltr" style="color: rgb(38, 40, 42);">In the paragraph "<i>4.3. Reference <b>Types</b> and <b>Values</b>.</i>" you:</div><div dir="ltr" style="color: rgb(38, 40, 42);"> 1) lists all kinds of reference <b>types</b> (<b>class</b>, <b>interface</b>, <b>type variable</b>, and <b>array</b>)</div><div dir="ltr" style="color: rgb(38, 40, 42);"> 2) describe <b>classes</b> and <b>interfaces</b> reference <b>types</b></div><div dir="ltr" style="color: rgb(38, 40, 42);"><br clear="none"></div><div dir="ltr" style="color: rgb(38, 40, 42);">In the subparagraph "<span style="font-style: italic;">4.3.1 Objects</span>" you explain what is the reference <b>value</b>.</div><div dir="ltr" style="color: rgb(38, 40, 42);">Then subparagraphs "<i>4.3.2</i>" and "<i>4.3.3</i>" explain two important elements of reference <b>types</b> - classes "Object" and "String".</div><div dir="ltr" style="color: rgb(38, 40, 42);"><br clear="none"></div><div dir="ltr" style="color: rgb(38, 40, 42);">"<i>4.4 <b>Type Variables</b></i>" is another one paragraph that tells about the one the of four reference <b>types</b>.</div><div dir="ltr" style="color: rgb(38, 40, 42);"><br clear="none"></div><div dir="ltr" style="color: rgb(38, 40, 42);">So, taking into account said above, my suggestions about the names are:</div><div dir="ltr" style="color: rgb(38, 40, 42);">1) because "<i>4.3. Reference <b>Types</b> and <b>Values</b>.</i>" is about reference <b>Types</b> and <b>Values</b>, i think that "<span style="font-style: italic;">4.3.1</span>" should be: "<span style="font-style: italic;">4.3.1 Objects and Reference <b>values</b></span>"</div><div dir="ltr" style="color: rgb(38, 40, 42);">2) because <b>type variables</b> are the one of the four kinds of reference type, "<i>4.4 <b>Type Variables</b></i>" should be included in "<i>4.3." </i>as subparagraph, so it become: "<i>4.<b>3.5 </b> <b>Type Variables</b></i>".</div><div dir="ltr" style="color: rgb(38, 40, 42);"><br clear="none"></div><div dir="ltr" style="color: rgb(38, 40, 42);">Finalizing... In the "Table of Contents", "Chapter 4" should have the following substructure:</div><div dir="ltr"><div style="color: rgb(38, 40, 42);">"</div><div style="color: rgb(38, 40, 42);"><i>4.3 Reference Types and Values 52</i></div><div><i><span style="color: rgb(38, 40, 42); white-space: pre-wrap;"> </span><font color="#26282a">4.3.1 Objects </font><b><font color="#cd232c">and Reference Values</font></b><font color="#26282a"> 53</font></i></div><div style="color: rgb(38, 40, 42);"><i><span style="white-space: pre-wrap;"> </span>4.3.2 The Class Object 56</i></div><div style="color: rgb(38, 40, 42);"><i><span style="white-space: pre-wrap;"> </span>4.3.3 The Class String 56</i></div><div style="color: rgb(38, 40, 42);"><i><span style="white-space: pre-wrap;"> </span>4.3.4 When Reference Types Are the Same 57</i></div><div dir="ltr"><i><font color="#26282a" style="background-color: inherit;"> </font><b><font color="#cd232c">4.3.5</font></b><font color="#26282a" style="background-color: inherit;"> </font><font color="#26282a">Type Variables 57</font></i></div></div></div></div></div></div></div><div id="ydpa084112cyiv1987838844yqtfd42345" class="ydpa084112cyiv1987838844yqt3009276371" style="color: rgb(0, 0, 0); font-family: Helvetica Neue, Helvetica, Arial, sans-serif;"><div style="color: rgb(38, 40, 42);">"</div></div><div id="ydpa084112cyiv1987838844yqtfd75568" class="ydpa084112cyiv1987838844yqt3009276371" style="color: rgb(0, 0, 0); font-family: Helvetica Neue, Helvetica, Arial, sans-serif;"><div dir="ltr" style="color: rgb(38, 40, 42);"><br clear="none"></div><div dir="ltr" style="color: rgb(38, 40, 42);"><span style="color: rgb(0, 0, 0);">Thank you very much and sorry for disturbing!</span></div><div id="ydpa084112cyiv1987838844ydpbeab1652yiv4331360307yqtfd68760" class="ydpa084112cyiv1987838844ydpbeab1652yiv4331360307yqt1750899920" style="color: rgb(38, 40, 42);"><div dir="ltr"><span style="color: rgb(0, 0, 0);">Have a nice day,</span></div><div dir="ltr"><span style="color: rgb(0, 0, 0);">Dmitri.</span></div></div></div></div><br></div></body></html>