Skip to main content

Cloud computing in engineering workflows

Cloud Computing in Engineering Workflows:   Transforming Design, Collaboration, and Innovation In today’s fast-paced engineering landscape, the need for speed, scalability, and seamless collaboration is greater than ever. Traditional engineering workflows often relied on on-premises servers, powerful local machines, and fragmented communication tools. But as projects grow in complexity and teams become more global, these systems can no longer keep up. This is where cloud computing steps in—reshaping how engineers design, simulate, collaborate, and deliver results. What is Cloud Computing in Engineering? Cloud computing refers to the use of remote servers hosted on the internet to store, process, and analyze data. Instead of being limited by the hardware capacity of a single computer or office server, engineers can leverage vast, scalable computing resources from cloud providers. This shift enables engineers to run simulations, share designs, and manage data more efficiently. Key Be...

Java important question - 12

What is the use of final keyword in java ?
          final keyword is used in different contexts. First of all, final is a non-access modifier applicable only to a variable, method or a class. Following are different contexts where final is used,
a) Final variable - To create constant variable.
When a variable is declared with final keyword, it's value can't be modified, essentially a constant. This also means that you must initialize a final variable. If the final variable is reference this means that the variable cannot be rebound to reference another object, but the internal state of the object pointed by that reference variable can be changed. i.e. you can add or remove elements from final array or final collection. It is good practice to represent final variables in all uppercase, using underscore to separate words.
Java interface variables are by default final and static.
b) Final methods - Prevent method overridding.
We can use the final keyword with methods to make sure child classes can't override it.
c) Final Classes - Prevent inheritance.
Final keyword is used in class to make sure no other class can extend it , for example String class is final and we can't extend it.

What purpose does the keyword final, finally and finalize fulfill ?
Final :
          Final is used to apply restrictions on class, method and variable. Final class can't be inherited, final method can't be overridden and final variable value cannot be changed.
Finally :
          Finally is used to place important code,it will be executed whether exception is handled or not.
Finalize :
          Finalize is used to perform cleanup processing just before object is garbage collected.

What are the uses of a final class ?
          There are two uses of a final class,
1. To prevent inheritance :
          A class declared with final keyword cannot be extended. For example, all wrapper classes like Integer, Float etc. are final classes. We can not extend them.
final class A
{
// Methods and fields
}
// The following class is illegal
class B extends A
{
// Compile-error! Can't subclass A
}

2. To create an immutable class :
          The other use of final with classes is to create an immutable class like the predefined String class. You can not make a class immutable without making it final.

Popular posts from this blog

Abbreviations

No :1 Q. ECOSOC (UN) Ans. Economic and Social Commission No: 2 Q. ECM Ans. European Comman Market No : 3 Q. ECLA (UN) Ans. Economic Commission for Latin America No: 4 Q. ECE (UN) Ans. Economic Commission of Europe No: 5 Q. ECAFE (UN)  Ans. Economic Commission for Asia and the Far East No: 6 Q. CITU Ans. Centre of Indian Trade Union No: 7 Q. CIA Ans. Central Intelligence Agency No: 8 Q. CENTO Ans. Central Treaty Organization No: 9 Q. CBI Ans. Central Bureau of Investigation No: 10 Q. ASEAN Ans. Association of South - East Asian Nations No: 11 Q. AITUC Ans. All India Trade Union Congress No: 12 Q. AICC Ans. All India Congress Committee No: 13 Q. ADB Ans. Asian Development Bank No: 14 Q. EDC Ans. European Defence Community No: 15 Q. EEC Ans. European Economic Community No: 16 Q. FAO Ans. Food and Agriculture Organization No: 17 Q. FBI Ans. Federal Bureau of Investigation No: 18 Q. GATT Ans. General Agreement on Tariff and Trade No: 19 Q. GNLF Ans. Gorkha National Liberation Front No: ...

Operations on data structures

OPERATIONS ON DATA STRUCTURES This section discusses the different operations that can be execute on the different data structures before mentioned. Traversing It means to process each data item exactly once so that it can be processed. For example, to print the names of all the employees in a office. Searching It is used to detect the location of one or more data items that satisfy the given constraint. Such a data item may or may not be present in the given group of data items. For example, to find the names of all the students who secured 100 marks in mathematics. Inserting It is used to add new data items to the given list of data items. For example, to add the details of a new student who has lately joined the course. Deleting It means to delete a particular data item from the given collection of data items. For example, to delete the name of a employee who has left the office. Sorting Data items can be ordered in some order like ascending order or descending order depending ...

The Rise of Solar and Wind Energy: A Glimpse into a Sustainable Future

In the quest for a sustainable future, solar and wind energy systems have emerged as two of the most promising sources of renewable energy. As concerns about climate change and the depletion of fossil fuels grow, these technologies offer a pathway to a cleaner, more resilient energy grid. This blog post delves into the significance of solar and wind energy, their benefits, challenges, and the role they play in shaping a sustainable future. The Basics of Solar and Wind Energy Solar Energy Systems harness the power of the sun to generate electricity. The most common technology used is photovoltaic (PV) panels, which convert sunlight directly into electricity. Solar thermal systems, another approach, use mirrors or lenses to concentrate sunlight, generating heat that can be used to produce electricity. Solar energy is abundant, renewable, and available almost everywhere on Earth. Wind Energy Systems utilize wind turbines to convert the kinetic energy of wind into electrical energy. Thes...