Java Programming: A Comprehensive Guide to Development Tools and Versatility

Introduction

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DuringB btheB bentireB bcourseB bofB bthisB bbook,B byouB bwillB blearnB bhowB btoB bwriteB bprogramsB bsuchB basB btheB boneB babove,B bandB balsoB blearnB badvancedB bconceptsB bthatB bwillB benableB byouB btoB bstartB bwritingB bcompleteB bapplicationB bprograms.

SomeB bofB btheB bdesignB bgoalsB bforB bJavaB bareB bmentionedB bbelow:

□B bTheB blanguageB bisB bintendedB btoB bbeB bwrittenB bonceB bandB bhaveB btheB babilityB btoB bbeB brunB bonB banyB boperatingB bsystem.

□B bTheB blanguageB bshouldB bprovideB bsupportB bforB bnumerousB bsoftwareB bengineeringB bprinciples.B bPortabilityB bisB banB bimportantB bfactor.B bThisB bisB bwhyB bJavaB bhasB btheB babilityB btoB brunB bonB bWindows,B bLinux,B bandB btheB bMacOSB boperatingB bsystem.

SupportB bforB binternationalizationB bisB bveryB bimportant.

JavaB bisB bintendedB btoB bbeB bsuitableB bforB bwritingB bapplicationsB bforB bbothB bhostedB bandB bembeddedB bsystems.

OtherB bdesignB bgoalsB bareB bdiscussedB bnext:

StrongB bTypeB bChecking

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1)B bintB bi=5;

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ArrayB bBoundsB bChecking

AtB bruntime,B bJavaB bwillB bcheckB bwhetherB btheB barrayB bhasB btheB brequiredB bnumberB bofB bvaluesB bdefined.B bIfB boneB btriesB btoB baccessB baB bvalueB bwhichB bisB boutsideB btheB bboundsB bofB btheB barray,B banB bexceptionB bwillB bbeB bthrown.

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int[]Bbarray1Bb=BbnewBbint[2];

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2)B barray1[0]B b=B b1;

array1[1]B b=B b2;

array1[2]B b=B b3;

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atB bHelloWorld.main(HelloWorld.java:8)

WhyB bJavaB bisB bimportant?

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HenceB bwithB bJava,B byouB bcanB bwriteB btheB bcodeB bonceB bandB brunB bitB banywhereB byouB bwant.

WhyB bJava?

OfB bcourse,B boneB bofB btheB bkeyB breasonsB btoB buseB bJavaB bisB bitsB bfocusB bonB bObject-orientedB bprogramming.

Object-orientedB bprogramming,B borB bOOPB bisB baB btypeB bofB bprogrammingB blanguageB bmodelB bwhichB ballowsB btheB bprogram’sB bcodeB btoB bbeB borganizedB baroundB bdata,B bratherB bthanB bfunctionsB bandB blogic,B bwhichB bisB bknownB basB bproceduralB bprogramming.

TheseB bdataB bclustersB bareB borganizedB bintoB bthingsB bcalledB bobjects,B bhenceB btheB bmonikerB bofB bobject-orientedB bprogramming.

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ChapterB b1:B bJavaB bBasics

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