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by Dinesh Thakur Category: Java Evolution

1) Compiled and Interpreter:- has both Compiled and Interpreter Feature Program of java is First Compiled and Then it is must to Interpret it .First of all The Program of java is Compiled then after Compilation it creates Bytes Codes rather than Machine Language.



 
by Dinesh Thakur Category: Java Evolution

History of Java: At first glance, it may appear that Java was developed specifically for the World Wide Web. However, interestingly enough, Java was developed independently of the web, and went through several stages of metamorphosis before reaching its current status of programming language for the World Wide Web. Below is a brief history of Java.



 
by Dinesh Thakur Category: Java Evolution

1)    C Uses header Files but java uses Packages



 
by Dinesh Thakur Category: Java Evolution

All the Previous Languages are Structured or we can say that they were procedural programming means in them processing is to be done in sequence manner and These are also called the Top down or either they were bottom up Languages Most Important things those must be in the Languages are Reliability, Maintainability and Reusability and user Friendly So For Achieving these things they Developed java.



 
by Dinesh Thakur Category: Java Evolution

Java is both compiled and an interpreted lang. First the java compiler translates source code into the byte code instructions. In the next stage the java interpreter converts the byte code instructions to machine code.



 
by Dinesh Thakur Category: Java Evolution

C++ and Java both are Object Oriented Languages but some of the features of both languages are different from each other. Some of these features are :



 
by Dinesh Thakur Category: Java Evolution

The JRE is the smallest set of executables and files that constitute the standard java plot form.The Java Runtime Environment (JRE) provides the libraries, the Java Virtual Machine, and other components to run applets and applications written in the Java programming language. In addition, two key deployment technologies are part of the JRE:



 
by Dinesh Thakur Category: Java Evolution

The means that allows Java to solve both the security and the portability problems is that the output of a Java compiler is not executable code but it is the Bytecode. Bytecode is a highly optimized set of instructions designed to be executed by the Java run-time system, which is called the lava Virtual Machine (JVM). JVM is an interpreter for bytecode. The fact that a Java program is executed by JVM helps solve the major problems associated with downloading programs over the Internet. Translating a Java program into bytecode helps makes it much easier to run a program in a wide variety of environments. This is because only the JVM needs to be implemented for each platform.



 
by Dinesh Thakur Category: Java Evolution

Java Virtual Machine (JVM)

JVM is a set of computer software programs and data structures which implements a specific Virtual machine model.



 
by Dinesh Thakur Category: Java Evolution

(Open Database Connectivity) An APPLICATION PROGRAMMING INTERFACE published by Microsoft which, by loading the appropriate ODBC driver at run time, enables the same program code to have access to data from many different brands of database.



 

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