diff --git a/Doc/Sd1/coreClasses.xml b/Doc/Sd1/coreClasses.xml
index 2be70850ff995eff9b8d0d942ab808e21191dad2..ab575694f22bf59c46dbacadba6e20061df8ca80 100644
--- a/Doc/Sd1/coreClasses.xml
+++ b/Doc/Sd1/coreClasses.xml
@@ -67,16 +67,15 @@
xlink:href="https://docs.oracle.com/javase/8/docs/api/java/util/Formatter.html#syntax">format
strings</link> inside the first argument. It uses the
<acronym>varargs</acronym> mechanism being described in the
- <link
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc2_html_5#toc2">Java
- classes section of chapter 4</link>.</para>
+ <xref linkend="glo_Java"/> classes section of chapter 4 of
+ <xref linkend="bib_Kurniawan2015"/>.</para>
</listitem>
<listitem>
- <para>There is a one to one correspondence between each %...
- format string and a corresponding argument. Thus if n further
- arguments exist the format string must contain at least n
- <quote>%</quote> format specifiers.</para>
+ <para>There is a one to one correspondence between each
+ <code>%...</code> format string and its corresponding
+ argument: If n further arguments exist the format string must
+ contain n <quote>%</quote> format specifiers.</para>
</listitem>
</orderedlist>
@@ -160,11 +159,9 @@ java.util.IllegalFormatConversionException: <emphasis role="bold">d != java.lang
replacing your own variable <code>pi</code>'s definition .</para>
<tip>
- <para>You may want to read the <quote
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc11_html_2">Static
- Members</quote> and <quote
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc6_html_4">Java
- Packages</quote> sections .</para>
+ <para>You may want to read the <quote>Static Members</quote> and
+ <quote>Java Packages</quote> sections of <xref
+ linkend="bib_Kurniawan2015"/>.</para>
</tip>
</question>
@@ -184,7 +181,7 @@ java.util.IllegalFormatConversionException: <emphasis role="bold">d != java.lang
expression rather than just using <varname
xlink:href="https://docs.oracle.com/javase/8/docs/api/java/lang/Math.html#PI">PI</varname>
itself some syntactic sugar is on offer by means of a <link
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc13_html">static
+ xlink:href="https://docs.oracle.com/javase/1.5.0/docs/guide/language/static-import.html">static
import</link> statement:</para>
<programlisting language="java" linenumbering="unnumbered"><emphasis
@@ -406,7 +403,7 @@ public class CircleAreaCalculator {
<para>The <classname
xlink:href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html">String</classname>
class does contain a method returning the <code
- xlink:href="https://proquest.safaribooksonline.com/book/programming/java/9780992133047/chapter-2-language-fundamentals/toc3_html_3">char</code>
+ xlink:href="https://docs.oracle.com/javase/tutorial/java/data/characters.html">char</code>
value at a given index. Read the documentation to find
it.</para>
</listitem>
@@ -516,13 +513,13 @@ public class CircleAreaCalculator {
actually 2,700,507,600. This exceeds <code
xlink:href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html#MAX_VALUE">MAX_VALUE</code>
of 2,147,483,647 <link
- xlink:href="https://proquest.safaribooksonline.com/book/programming/java/9780992133047/chapter-2-language-fundamentals/toc3_html_3">being
+ xlink:href="https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html">being
representable by a 4 byte <code>int</code> variable</link>.</para>
- <para>Luckily a <code>long</code> variable <link
- xlink:href="https://proquest.safaribooksonline.com/book/programming/java/9780992133047/chapter-2-language-fundamentals/toc3_html_3">will
- be able to hold positive values up to
- 9,223,372,036,854,775,807</link>. This is much larger than our
+ <para>Luckily a <code>long</code> variable will be able to hold
+ positive values <link
+ xlink:href="https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html">up
+ to 9,223,372,036,854,775,807</link>. This is much larger than our
<quote>worst case</quote> 9 × 9 × 9 × 9 × 9 × 9 × 9 × 9 × 9 × 9 ×
9 × 9 × 9 = 2,541,865,828,329 value. We thus change our data type
from <code>int</code> to <code>long</code>:</para>
diff --git a/Doc/Sd1/languageFundamentals.xml b/Doc/Sd1/languageFundamentals.xml
index f923c0d8d2144c81bf1dbd15fc5c229a844b87fd..6d661c561c58d53e371cdf1589b54c0a61729189 100644
--- a/Doc/Sd1/languageFundamentals.xml
+++ b/Doc/Sd1/languageFundamentals.xml
@@ -545,9 +545,9 @@ System.out.println(count + ":" + Count);</programlisting>
<question>
<para>Which of the following names are legal variable names?
Complete the following table and explain your decision with
- respect to the <quote
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc4_html_3">variables</quote>
- section.</para>
+ respect to the <quote>Language Fundamentals</quote> /
+ <quote>variables</quote> section of <xref
+ linkend="bib_Kurniawan2015"/> .</para>
<informaltable border="1">
<colgroup width="19%"/>
@@ -1505,10 +1505,10 @@ int i = (int) d; // Explicit cast double to int</programlisting>
xlink:href="https://docs.oracle.com/javase/specs/jls/se7/html/jls-4.html#jls-4.2.1-100-C">int</code>
literals</link> in <link
xlink:href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-3.html#jls-BinaryNumeral">binary
- representation</link> like e.g. <code>0B1100</code> in section
- <quote
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc6_html_2">Literals</quote>
- in order to write an <code
+ representation</link> like e.g. <code>0B1100</code> in the
+ <quote>Language Fundamentals</quote> / <quote>Literals</quote>
+ section of <xref linkend="bib_Kurniawan2015"/> in order to write
+ an <code
xlink:href="https://docs.oracle.com/javase/specs/jls/se7/html/jls-4.html#jls-4.2.1-100-C">int</code>'s
minimum and maximum possible value to standard output.</para>
@@ -2387,10 +2387,10 @@ System.out.println('&' + ": " + ((int) '&'));
}</programlisting>
<tip>
- <para>You may want to consider the <quote
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc6_html_2">Literals</quote>
- section of <xref linkend="bib_Kurniawan2015"/> learning about
- hexadecimal integer value representation.</para>
+ <para>You may want to consider the <link
+ xlink:href="https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html">Primitive
+ Data Types</link> section learning about hexadecimal integer
+ value representation.</para>
</tip>
</question>
@@ -2888,9 +2888,9 @@ System.out.println("Decimal:" +<co linkends="sd1ListingPlusOpDuplicate-1"
<tip>
<para>Hunt for <quote>java escape double quote</quote> and read
- about <link
- xlink:href="https://proquest.safaribooksonline.com/book/programming/java/9780992133047/chapter-2-language-fundamentals/toc6_html_2#readertoolbar2">character
- literals</link>.</para>
+ about character literals in the <quote>Language
+ Fundamentals</quote> / <quote>Literals</quote> section of <xref
+ linkend="bib_Kurniawan2015"/>.</para>
</tip>
</question>
@@ -4042,9 +4042,8 @@ System.out.println("New value=" + a);</programlisting>
</orderedlist>
<tip>
- <para>You may want to read the <link
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc1_html_4">overview
- section</link> on statements.</para>
+ <para>You may want to read the <link>overview section</link> on
+ statements in <xref linkend="bib_Kurniawan2015"/>.</para>
</tip>
</question>
@@ -4506,9 +4505,8 @@ System.out.println("Difference: " + difference);</programlisting><screen>Differe
}</programlisting>
<tip>
- <para>You may want to read the <link
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc1_html_4">overview
- section</link> on statements.</para>
+ <para>You may want to read the <link>overview section</link> on
+ statements in <xref linkend="bib_Kurniawan2015"/>.</para>
</tip>
</question>
@@ -4601,11 +4599,10 @@ System.out.println("A circle of radius " + radius + " will cover an area of " +
</listitem>
<listitem>
- <para>Read the <quote
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc5_html_2">Constants</quote>
- section of <xref linkend="bib_Kurniawan2015"/>. As an aside
- also read the nearby section concerning naming conventions
- for constant variable as well.</para>
+ <para>Read the <quote>Constants</quote> section of <xref
+ linkend="bib_Kurniawan2015"/>. As an aside also read the
+ nearby section concerning naming conventions for constant
+ variable as well.</para>
</listitem>
</itemizedlist>
</tip>
@@ -4684,11 +4681,10 @@ System.out.println("A circle of radius " + radius + " will cover an area of " +
</listitem>
<listitem>
- <para>Read the <quote
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc5_html_2">Constants</quote>
- section of <xref linkend="bib_Kurniawan2015"/>. As an aside
- also read the nearby section concerning naming conventions
- for constant variable as well.</para>
+ <para>Read the <quote>Constants</quote> section of <xref
+ linkend="bib_Kurniawan2015"/>. As an aside also read the
+ nearby section concerning naming conventions for constant
+ variable as well.</para>
</listitem>
</itemizedlist>
</tip>
diff --git a/Doc/Sd1/objectsClasses.xml b/Doc/Sd1/objectsClasses.xml
index 24fd7e74945c91405427893fe8a1d29ccfcae90b..9499f336aaa09e97acc8f653b563316a3de79fde 100644
--- a/Doc/Sd1/objectsClasses.xml
+++ b/Doc/Sd1/objectsClasses.xml
@@ -1385,9 +1385,8 @@ Rectangle individual = new Rectangle(2, 7); // 2 x 7</programlisting></td>
<qandadiv>
<qandaentry>
<question>
- <para>Extend the <link
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc2_html_5">Employee
- example from chapter 4</link> by adding two methods:</para>
+ <para>Extend the Employee example from chapter 4 of <xref
+ linkend="bib_Kurniawan2015"/> by adding two methods:</para>
<itemizedlist>
<listitem>
@@ -1513,9 +1512,10 @@ Salary:30000.00</pre>
resolved?</para>
<tip>
- <para>Read the <link
- xlink:href="https://proquest.safaribooksonline.com/book/programming/java/9780992133047/chapter-4-objects-and-classes/toc8_html_3">section
- about the <quote>this</quote></link> keyword.</para>
+ <para>Read the section in <xref
+ linkend="bib_Kurniawan2015"/> about the <quote
+ xlink:href="https://docs.oracle.com/javase/tutorial/java/javaOO/thiskey.html">this</quote>
+ keyword.</para>
</tip>
</question>
@@ -2360,9 +2360,9 @@ public class Driver {
}
}</programlisting>
- <para>This error is in accordance with Table 4.1 from the <link
- xlink:href="https://techbus.safaribooksonline.com/9780992133047/toc7_html_3">Encapsulation
- and Access Control</link> section: The attributes
+ <para>This error message is in accordance with Table 4.1 from
+ the Encapsulation and Access Control section of <xref
+ linkend="bib_Kurniawan2015"/>: The attributes
<property>age</property> and <property>salary</property> have no
access modifiers at all hence <quote>default</quote> access is
being granted. Default access type prohibits classes belonging
diff --git a/Doc/Sd1/statements.xml b/Doc/Sd1/statements.xml
index 17cb080142df710e7386a13ed372cbc36ed6bb99..9205b26d95c03074f8072a911a8aa5a654de6e51 100644
--- a/Doc/Sd1/statements.xml
+++ b/Doc/Sd1/statements.xml
@@ -875,9 +875,8 @@ You entered 1234567</screen>
<para>You will fully understand the above expression <classname
xlink:href="https://docs.oracle.com/javase/8/docs/api/java/lang/Math.html">Math</classname>.<methodname
xlink:href="https://docs.oracle.com/javase/8/docs/api/java/lang/Math.html#min-int-int-">min(...)</methodname>
- after finishing the <quote
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc12_html">Static
- Final Variables</quote> section.</para>
+ after finishing the <quote>Static Final Variables</quote> section
+ of <xref linkend="bib_Kurniawan2015"/>.</para>
</answer>
</qandaentry>
</qandadiv>
@@ -4350,8 +4349,8 @@ try (final Scanner scan = new Scanner(System.in)) {
divisible by all of the numbers from 1 to 20?</para>
<tip>
- <para>The operator <quote
- xlink:href="https://proquest.safaribooksonline.com/9780992133047/toc8_html">%</quote>
+ <para>The remainder operator <quote
+ xlink:href="https://docs.oracle.com/javase/specs/jls/se7/html/jls-15.html#jls-15.17.3">%</quote>
allows for testing whether a given integer value
<code>n</code> can be divided by an another integer value
<code>k</code> without remainder.</para>