Thread in Java - TCCI

 

Thread in Java - TCCI

Thread is the most important part for concurrent execution.

Thread is the light wait process that means one process can be divided in to small small threads which will execute concurrently for fast execution of tasks.

All Java programs have at least one thread, known as the main thread, which is created by the JVM at the program’s start, when the main() method is invoked with the main thread. In Java, creating a thread is accomplished by implementing an interface and extending a class. Every Java thread is created and controlled by the java.lang.Thread class.

A Thread class extends Object class and implements Runnable interface. The one advantage of using Runnable interface over Thread class, is that the class which implements Runnable interface can extend one class or implement multiple interfaces which is not possible by extending thread class.

Example

1. classMulti extends Thread{  
2. publicvoid run(){  
3. out.println("thread is running...");  
4. }  
5. publicstatic void main(String args[]){  
6. Multi t1=newMulti();  
7. start();  
8. }  
9. }  

TCCI Computer Coaching Institute teach Thread in Java in Bopal and Satellite in Ahmedabad.

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Goto statement in C - tccicomputercoaching.com

Generally in Programming statements execute order wise. If developer don't want to follow the sequence then have to instruction to compiler to jump the particular statement in coding. Goto is used to jump to that particular statement in coding.

There are 2 type of Jump:

1. Backward Jump:

Control goes back in coding from current statement.

2.Forward Jump:

Control goes forward in coding from current statement.

Syntax:

goto lable;

Example: This example represent both type of jump:

#include<stdio.h>

#include<conio.h>

void main()

{

int a,c,x ;

clrscr();

input:

printf("enter the value of a ");

scanf("%d",&a);

if(a<0)

{

printf("sorry negative no not allow: Please enter positiovr no again:");

goto input;

}

else

{

goto print;

}

printf("the value of a is %d",a);

print:

c=6;

x=c*a;

printf("answer is %d",x);

getch();

}

If user enter negative number then he/she will not allow to go ahead. Compiler push user to enter positive number again , so, control jump to back (input lable). When positive number will be entered then user can go ahead. There is also goto statement used. Which will display multiplication of variable c and a.

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Welcome to TCCI Computer Coaching Institute !! tccicomputercoaching.com

Welcome to TCCI Computer Coaching Institute !! tccicomputercoaching.com

TCCI is located in developing area of city - Bopal and heart of City Satellite area in Ahmedabad.

We are committed to your career growth. If you want to learn a new skill, or get certification in a new Technology, Visit our Institute at Bopal or Satellite in Ahmedabad.

In the event that you remain at remote area then additionally no issue , you can visit our site http://tccicomputercoaching.com/ .We provide offline coaching and online coaching both to any person.

There are various Courses:

Basic Computer Course, Programming Course, Web Designing Course, Project Training Course, Web Development Course,Typing, SEO, Coaching for All Engineering Branch, Maths Coaching, School Computer Course Coaching etc.

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Object Oriented Programming VS. Procedural Programming

There is always debate which one is good object oriented programming or Procedural Programming.
First we understand the definition of object oriented programming and procedural programming.

Object-oriented programming is a programming paradigm that uses abstraction (in the form of classes and objects) to create models based on the real world environment. An object-oriented application uses a collection of objects, which communicate by passing messages to request services.

Objects are capable of passing messages, receiving messages, and processing data. The aim of object-oriented programming is to try to increase the flexibility and maintainability of programs. Because programs created using an OO language are modular, they can be easier to develop, and simpler to understand after development.

Object-oriented Programming is a programming language that uses classes and objects to create models based on the real world environment. An Object-oriented Programming application may use a collection of objects which will pass messages when called upon to request a specific service or information. Objects are able to pass, receive messages or process information in the form of data.

Procedural programming is aset of instructions telling a computer what to do step by step and how to perform from the first code to the second code. Procedural language is a type of computer programming language that specifies a series of well-structured steps and procedures within its programming context to compose a program. It contains a systematic order of statements, functions and commands to complete a computational task or program.

Procedural language is a type of computer programming language that specifies a series of well-structured steps and procedures within its programming context to compose a program. It contains a systematic order of statements, functions and commands to complete a computational task or program.

Now we compare the both languages their features wise.

• In POP, program is divided into small blocks or parts called functions.
• In OOP, program is divided into parts called objects.

• POP follows Top Down approach.
• OOP follows Bottom Up

• In POP, Importance is not given to data but to functions as well as sequence of actions to be done.
• In OOP, Importance is given to the data rather than procedures or functions because it works as a real world.

• In POP, Data can move freely from function to function in the system.
• In OOP, objects can move and communicate with each other through member functions.

• To add new data and function in POP is not so easy.
• OOP provides an easy way to add new data and function.

• POP does not have any proper way for hiding data so it is less secure.
• OOP provides Data Hiding so provides more security.

• In POP, Overloading is not possible.
• In OOP, overloading is possible in the form of Function Overloading and Operator Overloading.

• Example of POP are: C, VB, FORTRAN, and Pascal.
• Example of OOP are: C++, JAVA, VB.NET, C#.NET.

Procedural

procedure
record
module
procedure call

Object-oriented

method
object
class
message

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What is User Defined Function? tccicomputercoaching.com

What is User Defined Function? tccicomputercoaching.com

A function is a set of instructions that performs a specific task.

In Programming there are two types of functions:

1. Built in Function

2. User defined function

Built in Function is already written, tested and stored in source file. User just uses them in programme. So, related library file have to include in programme.

User Defined Function is developed by User at a time and no need to include source file in programme.

There are 3 sections of User Defined Function:

1. Function Declaration

2. Function Definition

3. Function Call

To learn more in detail about function in Programming Language .

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We teach C, C++, Java, Python, Database Management , Python, Data Structure HTML, CSS, Java Script, .Net, PHP, System Programming , Compiler Design, Boot Strap, Angular Js etc.

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What is the difference between Bufferreader and InputstreamReader in Java? tccicomputercoaching.com

What is the difference between Bufferreader and InputstreamReader in Java? tccicomputercoaching.com

BufferedReader and InputStreamReader are both Input Function in Java File.

BufferedReader reads a couple of characters from the specified stream and stores it in a buffer. This makes input faster.

InputStreamReader reads only one character from specified stream and remaining characters still remain in the stream.

Example:

1. class NewClass{
2. public static void main(String args[]) throws InterruptedException, IOException{
3.
4. BufferedReader isr = new BufferedReader( new InputStreamReader (System.in));
5.
6. Scanner sc = new Scanner(System.in);
7.
8. System.out.println("B.R. - "+(char )isr.read());
9. System.out.println("Scanner - " + sc.nextLine());
10. }
11. }

When the isr.read() statement is executed, I entered the input ”hello” and the character “h” of “hello” is printed on the screen. If this was InputStreamReader then the remaining characters “ello” would have remained in the System.in stream and the sc.nextLine() would have printed them. But in this case it doesn’t happens because the BufferedReader reads all of the “hello” characters from the System. in stream and stores them in its own personal buffer and thus the System. In stream remains empty when sc.nextLine() is executed.

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Why Maths is so important? tccicomputercoaching.com

Why Maths is so important? tccicomputercoaching.com

Mathematics is very useful in our day-to-day life. It help us perform many of our tasks.

• A basic mathematical calculation helps train and develop a child’s mind.
• In college (despite the fact isn’t even good in this country on a global scale), you start to realize that every piece of math that you have ever learned is useful.
• Computation and calculation are the basis of all studies that deal with matter in any form.
• To the mechanic and the engineer it is a constant guide and help, and without exact knowledge of Mathematics, they cannot proceed one step in coming to grips with any complicated problem.
• Mathematical calculations form an important role in architectural activities.
• An elementary knowledge of the simplest branch of Mathematics, arithmetic, is the daily need of every man and woman in the ordinary affairs of life.
• In college (despite the fact isn’t even good in this country on a global scale), you start to realize that every piece of math that you have ever learned is useful.
• Maths help us to Develop problem solving approach.
• Mathematics Calculations also help common man into their daily work for example ,
• Cooking: We need exact measure of vegetables, spices, flour, etc. while cooking food.
• A carpenter accurately measures the length and breadth of the wood and ply-board while making furniture.

I think these examples are more enough to understand importance of Maths.

TCCI is a place where you can learn very easily this tough but important subject. Our faculty teach maths to the BSC, MSC, MCA, Diploma-Degree Engineering , 11-12th school students .....

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What-is-thread-in-java?tccicomputercoaching.com

What-is-thread-in-java?tccicomputercoaching.com

Thread is the most important part for concurrent execution.

Thread is the light wait process that means one process can be divided in to small small threads which will execute concurrently for fast execution of tasks.

All Java programs have at least one thread, known as the main thread, which is created by the JVM at the program’s start, when the main() method is invoked with the main thread. In Java, creating a thread is accomplished by implementing an interface and extending a class. Every Java thread is created and controlled by the java.lang.Thread class.

A Thread class extends Object class and implements Runnable interface. The one advantage of using Runnable interface over Thread class, is that the class which implements Runnable interface can extend one class or implement multiple interfaces which is not possible by extending thread class.

Example

1. class Multi extends Thread{
2. public void run(){
3. System.out.println("thread is running...");
4. }
5. public static void main(String args[]){
6. Multi t1=new Multi();
7. t1.start();
8. }
9. }

TCCI Computer Coaching Institute teach Thread in Java in Bopal and Satellite in Ahmedabad.
You can Join Programming Language Course at TCCI. Online Coaching is also available.

For more information about Computer Courses at TCCI .

Visit us @ http://tccicomputercoaching.com/computer-it-engineering-course/

Call us @ 98256 18292