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Engineering Class in Bopal-Ahmedabad- tccicomputercoaching.com

There is tough competition today. So, Coaching is first need of every student in present days.

Engineering-tcci

TCCI Coaching Institute provides coaching to the subjects ofall Engineering Branches including University of Nirma, Indus, Gujarat Technological , GU, DDIT, PDPU, Changa etc…..)

We teach Mechanical Engineering, Civil Engineering, EC Engineering, EEE Engineering, Electrical Engineering,Computer Engineering, IT engineering students in Ahmedabad

Faculty also available at your door step.

Lectures conducted by Expert Faculties at your comfortable schedule at TCCI.

You can get the Best knowledge in your field through our Experienced Faculties.

Course Duration: Daily/2 Days/3 Days/4 Days

Class Mode: Theory with Practical

Learn Training: At student’s Convenience

Call us @ 98256 18292.

Mail us @ tccicoaching@gmail.com

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What is Difference between abstract class and interface? tccicomputercoaching.com

Definition:

An abstract class is a class that is declared abstract – it may or may not contain abstract
methods. The keyword “abstract” is used to create an abstract class just before the class keyword in the class declaration.

In simple terms, an interface is a collection of abstract methods that is used to specify a behaviour that the class has to implement.

abstract-VS-interface_simple

Difference between Abstract Class and Interface in Java

Implementation

  • Implementation for Java abstract class cannot be provided by interface but an abstract class can provide an implementation for the interface in Java.
  • “Method Type” of Abstract Class and Interface in Java – The second major difference between the two is that while an interface can only have abstract methods, an abstract class can have both abstract and non-abstract methods. However, since Java 8, an interface can have default and static methods too.
  • “Access Modifiers” of Abstract Class and Interface in Java – An abstract class can have public, private and protected access modifiers, however methods of an interface are implicitly public and abstract. You cannot use any other access modifier with interface methods’.

Inheritance vs. Abstraction

  • An abstract class can be extended using the keyword ‘extends’ while a Java interface uses the keyword ‘implements’ to be implemented.
  • “Keyword” of Abstract Class and Interface in Java– While “abstract” keyword is used to declare an abstract class method as abstract, however, interfaces are entirely a different story; they can only have public, static final constants and method declarations.
  • “Use” of Abstract Class and Interface in Java – While an interface is ideal for type declaration, an abstract class is best suited for code reusability and evolution perspective. An interface looks like a class, but it is not a class.
  • “Reliability” of Abstract Class and Interface in Java– Another major difference between an abstract class and an interface is that the former is a bit faster than the latter because a search is usually involved in an interface before any overridden method is called in Java.

Final Java Variables

  • Abstract class in Java may or may not have variables declared as final but in Java interfaces, it is by default that they will declare final.

Type of Variable

  • Java interface can only have static and final variables while abstract class in Java can have both final and non-final as well as static and non-static variables.

For more information about Abstarct class and Interface.

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What is the difference between NULL and Void Pointer? tccicomputercoaching.com

A null pointer is basically a null value assigned to a pointer of any data type whereas a void pointer is a data type which remains void as long as an address of a data type is not assigned to it.

The data type of the pointer is nothing but the type of data stored at the memory location where the pointer is pointed. When you are not sure about the type of data that is going to store at a particular memory location, you need to create the void pointer.

NULL-Void-Pointer_simple

Null pointer does not contain a reference of any variable/value. Hence we may state that it has a NULL as its value making it a null pointer.

void pointer is always of type void *

Mainly such pointers are used for dynamic memory allocations (using malloc(), calloc() and realloc() functions) , where memory block reserved is pointer to by a void pointer and as the pointer value is returned it has to be explicitly type casted to a particular desired type.

Student of IT Field can update their Programming knowledge at TCCI.

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What is a Null Pointer in C? tccicomputercoaching.com

A pointer is a variable which holds the address of another variable of the same data type as a pointer variable.

A null pointer is a special pointer value that is known not to point anywhere. In very simple word NULL Pointer is a pointer which is pointing to nothing. NULL pointer points the base address of segment.

Null-Pointer-C_simple

Pointer which is initialized with NULL value is considered as NULL pointer.

TCCI is the Best Computer Coaching in Bopal and Satellite in Ahmedabad. We teach All Programming Languages to the school students, BCA, MCA, PGDCA, Degree-Diploma-Engineering students.

Student can learn any course through Offline and Online at TCCI as per their schedual.

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Civil Engineering Coaching tccicomputercoaching.com

Civil Engineering Course

Civil engineers  are imperative for the advancement of society. Civil engineers basically construct human progress as we probably am aware it. Civil engineers are issue solvers, addressing the difficulties of contamination, packed movement, drinking water and vitality needs, network arranging and urban advancement.

Civil-Er_simple

Civil engineers make, enhance and ensure nature in which we live. They design, outline and supervise development and upkeep of building structures and framework, for example, streets, railroads, air terminals, spans, harbors, dams, water system ventures, control plants, and water and sewerage frameworks.

Civil Engineering thinks about the investigation of building and planning spans, streets, roadways and so forth. It is where individuals to be specific structural specialists assemble dams, spans, water frameworks, expressways and different structures.

We teach all subjects of this stream including University of Nirma, Indus, Gujarat Technological, GU,DDIT, PDPU, Changa etc…..)

Lectures conducted by Expert Faculties at your comfortable schedule at TCCI. You can get the Best knowledge in your field through our Experienced Faculties.

Course Duration:Daily/2 Days/3 Days/4 Days

Class Mode:Theory With Practical

Learn Training:At student’s Convenience

For more information about Civil Engineering Course

Call us @ 98256 18292.

Visit us @ http://tccicomputercoaching.com/