<P style="MARGIN: 0px">In arenas ranging from enterprise development to Android app programming, Java remains one of the world's most popular programming languages. <B> <I> <B>Sams Teach Yourself Java in 21 Days</B> </I> </B> helps the serious learner gain true mastery over the new Java 8. </P> <P style="MARGIN: 0px"> </P> <P style="MARGIN: 0px">In this book's straightforward, step-by-step approach, each lesson builds on everything that's come before, helping readers learn Java's core features and techniques from the ground up. Friendly, accessible, and conversational, <B> <I> <B>Sams Teach Yourself Java in 21 Days</B> </I> </B> offers a practical grounding in the language, without ever becoming overwhelming or intimidating. </P> <P style="MARGIN: 0px"> </P> <P style="MARGIN: 0px">Week 1 introduces the basic building blocks of the Java programming language: keywords, operators, class and object definitions, packages, interfaces, exceptions, and threads.</P> <P style="MARGIN: 0px"> </P> <P style="MARGIN: 0px">Week 2 covers the Swing graphical user interface class libraries and the important classes that support data structures, string handling, dates and times. </P> <P style="MARGIN: 0px"> </P> <P style="MARGIN: 0px">Week 3 ventures into the hottest areas of Java programming: web services, Java servlets, network programming, database programming and Android development.</P>