Java- language Lecture 1

Java- language Lecture 1

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  JAVA FUNDAMENTALS Eng : HatemAbd El-Salam Lecture 1
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  Agenda  Types ofProgramming Languages  Story of Java  What java can do  Why java is strong language (WORA)  JDK & JRE & JVM  Install eclipse(IDE)  Make First program © 2016 by Eng. Hatem Abd El-Salam
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  Types of ProgrammingLanguages  Machine Language  Low Level Language  Middle Level Language  High Level Language © 2016 by Eng. Hatem Abd El-Salam
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  Types of ProgrammingLanguages (Cont.) Machine Language © 2016 by Eng. Hatem Abd El-Salam
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  Types of ProgrammingLanguages (Cont.) Low Level Language © 2016 by Eng. Hatem Abd El-Salam
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  Types of ProgrammingLanguages (Cont.) Low Level Language © 2016 by Eng. Hatem Abd El-Salam
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  Types of ProgrammingLanguages (Cont.) Middle Level Language © 2016 by Eng. Hatem Abd El-Salam
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  Types of ProgrammingLanguages (Cont.) High Level Language © 2016 by Eng. Hatem Abd El-Salam
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  Types of ProgrammingLanguages (Cont.) © 2016 by Eng. Hatem Abd El-Salam
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  Story of Java Java, having been developed in 1991.  Ed Frank and his team created PDA (Personal Digital Assistant) named Star7(*7)  Java based on c++.  The original name of this language was Oak.  the development team went out for coffee and the name Java was born.  Oracle bought Sun in 2010  The transaction is valued at approximately $7.4 billion © 2016 by Eng. Hatem Abd El-Salam
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  What java cando  Desktop Applications  Web Applications  Mobile Applications  Enterprise Applications  Smart cards  Embedded systems © 2016 by Eng. Hatem Abd El-Salam
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  Why java isstrong language (WORA)  “write once run anywhere”. can run on any java virtual machine (JVM) regardless of the operating system. © 2016 by Eng. Hatem Abd El-Salam
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  • Program execution •Interrupts • Modes • Memory management • Virtual memory • Multitasking • Disk access and file systems • Device drivers © 2016 by Eng. Hatem Abd El-Salam
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  Java Application JVM © 2016by Eng. Hatem Abd El-Salam
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  JDK & JRE& JVM  JVM: Java Virtual Machine • It is the component of Java framework that executes the compiled Java code. • The Java compiler produces a byte code file (.class) • A Java byte code is an intermediate language and only executed on a JVM  JDK and JRE • The two main components needed to start Java programming • Java development kit (JDK) • Java Runtime environment (JRE). • JDK provides a Java compiler in addition to other tools. • JRE includes the JVM and allows your system to run Java programs. © 2016 by Eng. Hatem Abd El-Salam
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  JDK & JRE& JVM © 2016 by Eng. Hatem Abd El-Salam
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  (IDE)  Integrated developmentenvironment. It is a software application that provides comprehensive facilities to computer programmers for software development. An IDE normally consists of a source code editor, build automation tools and a debugger. Most modern IDEs have intelligent code completion Install eclipse © 2016 by Eng. Hatem Abd El-Salam
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  Make First program Code © 2016 by Eng. Hatem Abd El-Salam
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  © 2016 byEng. Hatem Abd El-Salam Name : Eng. Hatem Abd El-Salam Email : Hatemabdelsalam@Hotmail.com LinkedIn : linkedin.com/in/hatemabdelsalam SlideShare : slideshare.net/HatemAbdElSalam Contact Details
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  © 2016 byEng. Hatem Abd El-Salam