You Can Learn Online Java Efficiently At TCCI - tccicomputercoaching.com

You Can Learn Online Java Efficiently At TCCI - tccicomputercoaching.com

Java is a programming language developed by James Gosling at Sun Microsystems, which is now a part of Oracle Corporation. It was released in 1995 as a part of Sun Microsystems’ Java platform.

Java is the most popular platform independent and Object Oriented Language. It is based on the principle “Write once, run anywhere” which means that the code which runs on one platform does not need to be recompiled to run on the other.

The Java programming language is a contemporary, evolutionary computing language that combines a sophisticated language design with powerful features of primary languages.

Java is favourite in developers because of its following key Features

Object-oriented Multithreaded,

Architecture-neutral Interpreted,

High-performance Distributed,

Dynamic

Application of Java

There are many places where Java is used in real world, starting from commercial e-commerce website to android apps, from scientific application to financial applications like electronic trading organisations, from games like Mine craft to desktop applications like Eclipse, Net beans and IntelliJ, from open source library to J2ME apps etc. Java is very big in Financial Services.

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What is method overriding in Java? - tccicomputercoaching.com

What is method overriding in Java? - tccicomputercoaching.com

When method of child class redefines the method of parent class then it is called method overriding in Java.

Overriding is done so that a child class can give its own implementation to a method which is already provided by the parent class. In this case the method in parent class is called overridden method and the method in child class is called overriding method.

A method can only be written in Subclass not in same class. The argument list should be exactly the same as that of the overridden method. The return type should be the same or a sub type of the return type declared in the original overridden method in the super class. A method declared final cannot be overridden.

Example:

1. class Human
2. { publicvoid eat()
3. { System.out.println("Human is eating"); }}
4. class Boy extends Human
5. { publicvoid eat()
6. { System.out.println("Boy is eating"); }
7. publicstaticvoid main( String args[])
8. { Boy obj = new Boy(); obj.eat(); }}

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Learn generic servlet in Advance Java - tccicomputercoaching.com

Learn generic servlet in Advance Java - tccicomputercoaching.com

What is Generic Servlet class?

- This class implements Servlet and Servlet Config interfaces.

- It can be extended by a servlet.

- It is a common practice that a servlet class extends protocol-specific, such as HttpServlet class.

- With the help of using life cycle methods, it makes simpler and easier to develop servlets applications.

- To write a generic servlet, the developer need only to override the service() method.

- Additionally, the log method of ServletContext interface is also implemented by Generic Servlet.


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What is template in C++? tccicomputercoaching.com

What is template in C++? tccicomputercoaching.com

Templates are a feature of the C++ programming language that allows functions and classes to operate with generic types. The simple idea is to pass data type as a parameter so that we don’t need to write same code for different data types. Template allows a function or class to work on many different data types without being rewritten for each one.

For example if we want to sum of two different types of numbers then we have to do individual user defined function for each type of data. This increases time and memory space. But using template function we have to write once generic function, so, it will decrease the length and complexity of programme .

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Why Java Computer coaching at bopal

Why Java?

Computer coaching at bopal

·         Java is a platform Independent: – Platform independent means java can run on any computer irrespective to the hardware and software dependency.

·         java is an open source programming language created by Sun Microsoft overtaken by oracle .Its source code is available for free inside every JDK ( Java Development Kit).Java Is a Secure Language :

·         The Byte Code Concept separates java from all other language. As we know Byte Code is set of symbols created by sun Microsoft which are generated after the compilation of Program.

·         Java byte code error free and secure.

·         The Above features cannot be found in any other language, So, we can say that Java is more secure than other languages.

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Features of Java - Tccicomputercoaching.com

For many years Java has changed the world, because of upgrade of technology we can connect with various applications

Because of java we expect digital device smarter and functional.

Java has very useful features which attract the Programmer, let us see these features:

Simple:

It’s very simple in language, which makes coding very easy and quick. For example go tostatement, header files, structure, operators, pointers etc……

Secure:

Java is designed to be in secured network environment. Java’s runtime environment uses code verification process. This process makes sure about Java Security Constraints.

High performance:

It’s designed to support Just in Time compiler, which compiles machine code dynamically.

Object oriented Concept:

Java contains Unique Object Oriented Concept which are its identity, these are class, object, polymorphism, and inheritance etc….

Robust:

It is strong type language. It eliminates runtime error. In addition it contains automatic memory management garbage collection.

It doesn’t support memory pointer so, eliminates the possibilities of memory corrupting.

Dynamic Language:

It contains dynamic linking of other class, dynamic compilation and automatic memory management. Also it provides different network connector.

Platform Independent:

Platform Independent means write code in one platform and execute in another platform, for example we write code in windows XP and run in Linux, which is not possible in c and C++.

But in Java it is possible, because there is one layer JVM- Java Virtual Machine in Java which makes this language Platform Independent.

We can also say that “Write once, Run anywhere”.

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