Index
- Numbers and Symbols
- . (current directory), 24
- ; (semicolon)
- /* */ (multiple comment lines), 21
- // (double forward slashes), comments, 21
- : (colon), separating directories in Linux, 24
- == (double equals sign), comparing numerical values, 48
- { } braces, code blocks, 21
- ? (question mark) operator, conditional assignment, 53
- <> (angle braces), generic
ArrayListclass, 56 - 1G (mobile applications), 216
- 2G (mobile applications), 216
- 3G (mobile applications), 216–217
- 4G (mobile applications), 216–217
- 5G (mobile applications)
- A
- Access layer (Cisco network architecture), 132–133
activation.jarfile, 165- activities (Android apps), 202–204
activity_main.xmlfile, Android Studio, 188- ADB (Android Debug Bridge), 191–192
add()method, dynamic arrays, 57- Advanced Installer application deployment tool, 96–97
- advantages of Java, 10
- AES 256-bit encryption, 318
- AI (artificial intelligence)
- Amazon AWS. See AWS (Amazon Web Services)
- American Standard Code for Information Interchange (ASCII), 45
- analog-to-digital converter (ADC), Raspberry Pi examples, 255–259
- Android app life cycle, 202–204
- Android Debug Bridge (ADB), 191–192
- Android developer web site, 184–185
- Android Package Kit (APK), 200–202
- Android SDK, 184
- Android smartphones, 184
- Android Studio
- Android Virtual Device (AVD), 184
AndroidManifest.xmlfile, 190- angle braces (<>), generic
ArrayListclass, 56 - anonymous inner classes
- Apache Maven
- APK (Android Package Kit), 200–202
- App Inventor 2., See MIT App Inventor
- application layer (TCP/IP), 130
- applications, deploying
- architecture, 7–8
- archives, creating JAR files, 418–420
args.length, 52- arithmetic operators, 47
- ArrayList class, 56
- B
- backpropagation (AI), example code, 296–300
- banks, big data and, 391
- Bash shell, setting environment variables, 14–15
- batch files, deploying applications, 93–94
- big data
- Bitcoin. See blockchain
- bitwise operators, 47
- blockchain
- Bitcoin testnet, 375
- BitcoinJ example, 373–375
- cryptocurrency, 353–358
- Ethereum Smart Contract example, 380–386
- EthereumJ examples, 378–379
- example programs, 361–367
- government data, 360
- healthcare data, 358
- IoT (Internet of Things), 359–360
- limitations, 360–361
- manufacturing and supply chains, 359
- mining, 350
- operation of, 350–352
- overview, 347–349
- platforms, 386–387
- smart contracts, 358
- transaction example programs, 367–373
- validating, 349–350
- Web3j examples, 375–378
- blocking state, threads, 73
- boilerplate code, VAR variable type, 46
- braces ({}), code blocks, 21
- browsers. See web browsers
- Browxy Java online compiler, 27–28
BufferedReaderobject, 50, 59–60BufferedWriterobject, 58–60- buffers, flushing, 58
- Button and TextView app, Android Studio, 192–196
- bytecode, 4
- compiling, 23
- C
- C programming language, support, 27
- C++ programming language, support, 27
- CA (certificate authority), 326
- caching,
Stringobjects, 45–46 - Carlosag online code translator, 31–32
- catch blocks, 50–51
- CaveofProgramming, Java courses, 35
- centralized version control system (CVCS), 37
- certificate authority (CA), 326
- certification, 11
- Cisco three-tiered enterprise network architecture, 132–133
- class files
.classfiles, 4- classes. see also objects
Date(), 78FileReader, 59–60FileWriter, 58–60- generating, 23
inetAddress, 137LocalDateTime(), 79NetworkInterface, 137–140- OOP (object-oriented programming), 62–63
- reusable, creating, 86–88
Runtime.getRuntime().exec(), 83–85- source code filenames and, 21
Thread.sleep(), implementing delays, 82–83timer(), 80
-classpathoption, 24- ClickTeam application deployment tool, 96–97
- Cloud AI, 279
- Cloud block, IoT (Internet of Things), 225–226
- cloud computing, 226
- cmd.exe program, executing, 84–85
- CoAP (Constrained Application Protocol), 229
- code blocks, grouping with braces ({}), 21
- Codecademy, Java courses, 33–34
- code.makery, JavaFX deployment guide, 125
- Codiva Java online compiler, 25–27
- Collect block, IoT (Internet of Things), 225
- colon (:), separating directories in Linux, 24
- command-line parameters, printing, 52
- commands
- Communication protocols, ioT (Internet of Things), 227–229
- comparison operators, 47
- CompileJava.net online compiler, 27
- compiler, checking in Windows, 15
- compilers, online, 25–31
- compiling
- compressed archives, creating JAR files, 418–420
- conditional statements, 53
- confidentiality, 316
- configuring Java, 14–16
- Connectivity block, IoT (Internet of Things), 225
- constants, 44. See also variables
- Constrained Application Protocol (CoAP), 229
- Control block, IoT (Internet of Things), 225
- control structures, 51–54
- converters, source code, 31
- Core layer (Cisco network architecture), 133
- Coursera, Java courses, 32–33
- courses and tutorials. See tutorials and courses
-cpoption, 24- cryptocurrency, 353–358. See also blockchain
- current directory (.), 24
- CVCS (centralized version control system), 37
- cybersecurity. See also security
- digital certificate example, 338–342
- digital certificates, 325–327
- digital signatures, 323–325
- digital signatures example, 334–335
- encryption, 316–321
- hash functions, 322–323
- message-digest example, 332–334
- message-digest algorithm (MD5), 323
- overview, 315–316
- private key encryption example, 329–330
- public key encryption example, 330–332
- resources, 342–345
- D
-doption, 24Date()class, 78- debugging, Android Studio projects, 191–192
- decentralization (blockchain), 351
- deep learning (AI), 278, 288–292
- examples, 303–309
- default gateway (networking), 133, 134
- default package, 21
- design, software engineering, 89–90
- destination path, setting, 24
- DHCP component (networking), 134
- digital certificates, 325–327
- Eclipse IoT, 230
- e-commerce sites, big data and, 391
- Edge AI, 279
- editions (Java), 8
- email, encryption example, 327–328
- email application
- end of life (EOL), 6
- Enterprise Edition (Java EE), 8
- environment variables, 14–16
- Hadoop configuration on Raspberry Pi, 399
- EOL (end of life), 6
- ephemeral ports (networking), 131
equals()method, 48- error messages, JavaFX, displaying, 114–115
- Ethereum Smart Contract example, 380–386
- EthereumJ, blockchain examples, 378–379
- exception handling, 50–51
- executable Java programs, creating, 93–97
- Extensible Messaging and Presence Protocol (XMPP), 229
- F
- file chooser, JavaFX, creating, 120–122
- filenames, source code, 21, 22
FileReaderclass, 59–60FileWriterclass, 58–60finalkeyword, defining constants, 44finallyblocks, 50–51floatnumbers, declaring variables, 43float-typetwo-dimensional array, declaring, 54–55- Floodlight (SDN tutorial), 181
- flowcharts, software engineering, 89–90
flush()method, 58- flushing buffers, 58
- folders. See directories
forloops, 52–54- frameworks, Java Spring, 9–10
- functions. See methods
- H
- Hadoop, 390
- character count example, 408–410
- clusters, 395
- Hadoop Common, 395
- Hadoop Distributed File System (HDFS), 393–394
- MapReduce, 394
- overview, 392–393
- Raspberry Pi
- adding nodes, 404–405
- adding permissions, 405–406
- cluster installation and configuration overview, 397
- configuration, 399–400
- downloading and installing Hadoop, 398
- environment variables configuration, 399
- implementing clusters, 396
- installation and configuration, 397
- SSH configuration, 398
- start and stop services, 399–400
- testing, 400–403
- user account and group, 398
- view on web browser, 403–404
- Hadoop Common, 395
- Hadoop Distributed File System (HDFS), 393–394
- hardware, Raspberry Pi requirements, 232–234
- hash functions, 322–323
- online demonstration, 335
- HDFS (Hadoop Distributed File System), 393–394
- HelloWorld Android Studio app, 186–192
HelloWorld2.java, 23–24HelloWorld.java, 20–23- history of Java, 3–4
- hospitals, big data and, 391
- HTTP programming
- I
- I2C (Inter-Integrated Circuit), 251–255
- IBM, Java language tutorial, 35–36
- IBM Watson, 230
- IoT for Java, 271
- IDE (integrated development environment), 17–20
- IDEOne Java online compiler, 30–31
ifconfigcommand, SDN programming, 176–177- image viewer, JavaFX, creating, 115–116
- immutability (blockchain), 351
- immutable types, 45
importkeyword, package classes, 88- importing
- Industry 4.0, 226–227
inetAddressclass, 137- inheritance, OOP (object-oriented programming), 63, 66–67
- input, 48–51
InputStreamReader, 50- Install Creator 2 application deployment tool, 96–97
- Install4J application deployment tool, 97
- installation packages, professional deployment tools, 96–97
- installing Java, 13
- instantiation, OOP, 63
Integer.parseInt(), 50- integers, converting from strings, 50
integer-typearrays, declaring, 54- integrated development environment (IDE), 17–20
- integrity, 316
- intelligent manufacturing, 226–227
- IntelliJ IDEA, 17–18
- Android phone applications, 184
- Inter-Integrated Circuit (I2C), 251–255
- internet layer (TCP/IP), 130
- Internet of Things (IoT), overview, 223
- IoT (Internet of Things)
- AWS, 272
- big data and, 391
- blockchain and, 359–360
- building blocks, 225
- communication protocols, 227–229
- Eclipse Open IoT Stack for Java, 271
- IBM Watson and, 271
- Java and, 230–231
- Java ME embedded client example, 270
- Microsoft Azure, 272–273
- overview, 223
- platforms, 230
- Raspberry Pi
- analog-to-digital converter (ADC) examples, 255–259
- blinking LED example, 237–241
- digital sensor examples, 259–263
- GPIO example, 242–244
- Inter-Integrated Circuit (I2C), 251–255
- Morse code example, 241–242
- MQTT example, 263–266
- overview, 231–232
- Pulse Width Modulation (PWM), 246–248
- Python programs and, 244–245
- REST example, 266–270
- smart lighting system, 248–251
- J
- J2SE (Java 2 Standard Edition), 6
- JAR files
- Java 2 Standard Edition (J2SE), 6
- Java API documentation, 35
- Java Card, 8
- Java Development Kit (JDK), 7
- Java EE (Enterprise Edition), 8
.javafiles, 4- Java Foundations Certified Junior Associate, 11
- Java Layout Manager, Java Swing, 105
- Java ME (Micro Edition), 8
- embedded client example, 270
- Java Runtime Environment (JRE), 7
- Java SE (Standard Edition), 8
- Java Spring framework, 9–10
- Java Swing, 100–105
- Java Virtual Machine (JVM), 4–5
- Java2S, network programming, 181
- JavaBeans Activation Framework (JAF), JavaMail email application, 165–167
javaccommand, 24- options, 25
javac -helpcommand, options, 25- Javadoc, code comments maintenance tutorial, 413–418
- JavaFX
- application creation process, 106–108
- application development components, 106
- buttons and labels, adding, 108–109
- charts, 109–112
- deploying applications, 125–126
- error messages, displaying, 114–115
- file chooser, creating, 120–122
- image viewer, creating, 115–116
- IntelliJ IDEA, 106
- layout panes, 108–109
- menus, creating, 118–120
- message boxes, displaying, 114–115
- overview, 105
- user login, 112–115
- web viewer, creating, 117–118
MainActivity.java, Android Studio, 188, 190–191, 194–196, 196–200mainClassmanifest file, 94–95- MAN (metropolitan area network), 132
- manifest files,
mainClass, 94–95 - MapReduce, 394
- massive MIMO (mobile networks), 218
- matrixes, declaring, 54–55
- Maven. See Apache Maven
- MD5 (message-digest algorithm), 323
- menus, JavaFX, creating, 118–120
- message boxes, JavaFX, creating, 114–115
- message digest, example, 332–334
- Message Queuing Telemetry Transport (MQTT), 228
- message-digest algorithm (MD5), 323
- methods, 60–62
- Andrdoid app life cycle, 202–204
flush(), 58getState(), 73–74main(), 21new Date().getTime(), 78new Date().toString(), 78- object variables, 45
- overloading, 63, 65–66
- overriding, 63
println(), 21schedule(), 80setPriority(), 76System.currentTimeMillis(), 78System.nanoTime(), 78Thread.sleep(), 75
- metropolitan area network (MAN), 132
- Micro Edition (Java ME), 8
- Microsoft Azure, 230
- Java and, 272–273
- mtSystems C code translator, 31–32
- multilayered perceptron (AI), 284–286
- multiple comment lines (/* */), 21
- Multiple-Input, Multiple-Output (MIMO), 217–218
- multithreaded echo server program, 148–151
- multithreaded HTTP file server program, 162–164
- multithreaded HTTP server program, 159–162
- multithreading
- N
- naming conventions, software engineering, 92–93
- narrow AI, 276
- NetBeans, 17–19
- network components, 133–134
- network programming
- O
- object accessibility. See scope
- object variables, 45
- object-oriented programming (OOP). See OOP (object-oriented programming)
- objects. See also classes
onCreate()method, Android Studio, 188- one-dimensional arrays, declaring, 54–55
- online code converters, 31
- online compilers, 25–31
- online courses and tutorials, free, 31–36
- OnlineGDB Java online compiler, 29
- OOP (object-oriented programming)
- performance, caching,
Stringobjects, 45–46 - PGP (Pretty Good Privacy), 327
- Pi4J library, 236
pingcommand, 177–178- platform editions, 8
- platform independence, 4
- platforms, IoT (Internet of Things), 230
- polymorphism, OOP (object-oriented programming), 63–64
- port numbers (networking), overview, 131
POSTmethod, HTTP programming, 155–157- Post Office Protocol 3 (POP3), JavaMail application, 167–168
- Pretty Good Privacy (PGP), 327
- principles of Java, 4
- printing,
println()method, 21 println()method, 21- priorities, threads, 76
- private key encryption, 317–318
privatekeyword, 61- Professional certification, 11
- professional deployment tools, 96–97
- programming, HelloWorld.java, 20–23
- programming style. See software engineering
- projects, Android Studio
- R
- Raspberry Pi
- analog-to-digital converter (ADC), examples, 255–259
- blinking LED example, 237–241
- digital sensor examples, 259–263
- GPIO example, 242–244
- Hadoop
- adding nodes, 404–405
- adding permissions, 405–406
- cluster installation and configuration, 397
- configuration, 399–400
- downloading and installing, 398
- environment variables configuration, 399
- installation and configuration, 397
- SSH configuration, 398
- start and stop services, 399–400
- testing, 400–403
- user account and group, 398
- view on web browser, 403–404
- Inter-Integrated Circuit (I2C), 251–255
- IoT (Internet of Things)
- reading text files, 58–60
- ready state, threads, 73
- registered ports (networking), 131
- reinforcement learning (AI), 287
- release dates, 6–7
- remote interface programs, 169
- Remote method invocation (RMI), 168
remove()method, dynamic arrays, 57- Representational State Transfer (REST), 229
- reserved words, 48
- resources, 418–420
- REST (Representational State Transfer), 229
- Raspberry Pi example, 266–270
- reusability, 60
- reusable classes, creating, 86–88
- Rextester Java online compiler, 29–30
- Rivest-Shamir-Adelman (RSA). See RSA (Rivest-Shamir-Adelman)
- RMI (remote method invocation)
- S
- Salesforce, 230
- saving, class files, to directories (folders), 24
- Scanner class, 49
- scanners, reading input from, 49
schedule()method, 80ScheduledExecutorService, 81–82- scheduling, threads, 76
- scope, OOP (object-oriented programming), 64
- SDN (software-defined networking)
- secret key encryption, 318
- Secure Hash Algorithm (SHA), 323
- secure shell (SSH), Raspberry Pi and, 234
- secure web encryption example, 328–329
- security. See also cybersecurity
- selections, 51–54
- semicolon ( ; ), statements, 21
- semi-supervised learning (AI), 287
- Sensor app, Android Studio, 196–200
- sequences, 51–54
setContentView()method, Android Studio, 188setPriority()method, 76- SHA (Secure Hash Algorithm), 323
- SHA-256 hash generator, 323–324
- signing apps, 200–202
- Simple Mail Transfer Protocol (SMTP), 164
- Simple Object Access Protocol (SOAP), 229
- single point of failure, 37
- sleeping state, threads, 73
- smart contracts, 358
- smart lighting system, Raspberry Pi, 248–251
- smartcards, 8
- smartphones, types, 184
- SMTP (Simple Mail Transfer Protocol), 164
- SMTP email application, 164–165
- SOAP (Simple Object Access Protocol), 229
- social media, big data and, 391
- sockets (networking)
- software-defined networking (SDN), compared to traditional networking, 134–136
- Solidity, Ethereum Smart Contracts, 380
- source code, 4
- source files, saving, 22
- source path, setting, 24
-sourcepathoption, 24- spaces in variable names, 42
- special symbols in variable names, 42
- specifications, software engineering, 89–90
- speech recognition app, MIT App Inventor, 204–208
- staging programs in Git, 433
- Standard Edition (Java SE), 8
- standard error object, 21
- standard input, 48–51
- standard input object, 21
- standard output, 48–51
- standard output object, 21
- startup file, loading, 15
- statements
- stock market, big data and, 391
- streaming services, TCP client-server program, 146–148
Stringvariable, 45–46StringBuffervariable, 45- mutability, 46
- Sublime Text, 17
- subroutines. See methods
- super AI, 277
- supervised learning (AI), 286
- support road map URL, 7
switchstatement, 53- switches (networking), 132, 133
- symmetric key encryption, 317
- synchronization, threads, 77–78
- system commands, executing, 83–85
- system ports (networking), 131
System.console, 48System.console.readline(), 49System.currentTimeMillis()method, 78System.Diagnostic.Process.Start()class, deploying applications, 95–96System.in, 48–51System.nanoTime()method, 78System.out, 48–51System.out.print(), 49System.out.println(), 21, 49
- T
-targetoption, 24- TCP client-server program, 146–148
- TCP/IP, overview, 129–132
- telecommunication companies, big data and, 391
- TensorFlow
- Tensorflow, tutorials and courses, 311–312
- terminated state, threads, 73
- ternary operator, 53
- text editors, 17–18
- text files, writing, 58–60
- Textpad, 17
- threads
Thread.sleep()class, implementing delays, 82–83Thread.sleep()method, 75- throws IOException, 50–51
timer()class, 80- Tools4noobs, private key encryption, 335
- topologies (networking), 132–133
- translation app, MIT App Inventor, 208–213
- translators (source code), online, 31
- transparency (blockchain), 352
- transport layer (TCP/IP), 130
tryblocks, 50–51try…catch…finallyblocks, 50–51- tutorials and courses
- AI, 313
- Android apps, 192
- Android Studio installation and configuration, 185
- comments maintenance tutorial (Javadoc), 413–418
- cybersecurity resources, 342–345
- Floodlight (SDN tutorial), 181
- free, 31–36
- Java Swing, 105
- JavaFX, 122–125
- MIT App Inventor, 213
- OpenDaylight (SDN tutorial), 181
- OpenFlow (SDN tutorial), 172–181
- Raspberry PI, 232
- Tensorflow, 311–312
- Tutorialspoint
- Tutorialspoint online compiler, 25
- U
- Udacity, Java courses, 34
- UDP (User Datagram Protocol), 143–146
- UDP client-server program, 143–146
- UI (user interface), Android Studio, 188
- University of Georgia, public key encryption demonstration tool, 335
- Unix, environment variables, setting, 14–15
- unsupervised learning (AI), 287
- URLs, parsing, 157–158
- User Datagram Protocol (UDP), 143–146
- user interface (UI), Android Studio, 188
- usernames,
Stringvariables, 46
- V
- VAR variable, 46
- variables, 42–46
- VCS (version control system), 37
- version control, 36–37
- version control system (VCS), 37
- versions, 5–7
- VirtualBox, 173
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