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Jeremias Esperanza

My First In Java

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An introduction to programming book using java. Best book for students who have no idea yet in programming. Less discussion of theories and more on applications are used with sample problems. Simulation exercises are discussed to help students learn the algorithm through step-by-step.

Concepts are discussed chapter by chapter in progressive order. It is suggested that student answers chapter exercises to gauge the understanding of the topics discussed.

Students may download all sample programs with the provided link.

YouTube video links were also provided if one opts to learn the topics through video presentations.

Object-oriented programming(OOP) is not yet discussed on this book. Though java is an OOP language, the author believes OOP concepts are too broad or too early to discuss for students who are just starting to learn programming.
Este libro no está disponible por el momento.
199 páginas impresas
Publicación original
2014
Año de publicación
2014
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  • Иван Огуречниковcompartió una citahace 9 años
    javac.exe. This is the compiler of java.
    What does a compiler do? Compiler checks the syntax or formats of the codes you have written on a java program. It will ensure that all the words you have written comply with the java statement commands. If errors are detected from your program, it will specify the line number on where the mistake/s took place. You need to correct those errors, and re-compile. You will only proceed on the next stage of the development if your program is error-free.

    Figure C1.1 Phases of Java program
    An error-free program compiled by the javac.exe produces a byte code file. Byte code is a machine-language codes that will be interpreted by a Java Virtual Machine (JVM). The codes are no longer expressed in a human language but with the codes the machine understands. Byte code file has an extension filename of .class. An example on how to compile a program in a command line is as follows (Hello is the name of the program):
    javac Hello.java
    3. Run. Along with the downloads of JDK is an interpreter called java.exe. An interpreter is used to serve as an interface so the processor of the machine can understand what your program wants to achieve once you run it. Please note that the byte code file (filename with the .class extension) is the one interpreted and not the original file you have written (filename with the .java extension). Below is an example on how to run a java byte code program on a command line:
    java Hello

    Role of IDE
    Integrated Development Environment (IDE) is a software tool

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