CodersEditor Q&A - Recent questions and answers

Answered: What are the types of graphs?

Fri, 26 Feb 2021 14:45:27 +0000

finite graph, infinite graph, trivial graph, simple graph, multigraph.

Answered: Define final keyword in java?

Fri, 26 Feb 2021 14:42:11 +0000

it is used to denote constants.

Answered: What is "This" keyword in java?

Fri, 26 Feb 2021 14:40:56 +0000

it is used to access methods of the parent class while this is used to access methods of the current class.

What are threads in java?

Fri, 26 Feb 2021 14:40:17 +0000

Answered: What is super keyword in java?

Fri, 26 Feb 2021 14:39:39 +0000

it is a reference variable that is used to refer to immediate parent class object.

What is an interface in java?

Fri, 26 Feb 2021 14:39:28 +0000

What are access modifiers in java?

Fri, 26 Feb 2021 14:38:57 +0000

What is dynamic method dispatch in java?

Fri, 26 Feb 2021 14:38:19 +0000

Answered: What are packages in java?

Fri, 26 Feb 2021 14:36:40 +0000

it is a group of similar types of classes, interfaces, and sub-packages. there are built-in and user-defined packages in java.

How do you import packages in java?

Fri, 26 Feb 2021 14:34:41 +0000

What is the abstract clause in java?

Fri, 26 Feb 2021 14:34:09 +0000

Answered: What are the methods of handling deadlocks?

Fri, 26 Feb 2021 14:34:01 +0000

deadlock prevention and deadlock detection

Why embedded system is useful?

Fri, 26 Feb 2021 14:31:49 +0000

Answered: What is FIFO structure?

Fri, 26 Feb 2021 14:31:32 +0000

method for handling data structures where the first element is processed first and the newest element is processed last.

Answered: What is LIFO structure?

Fri, 26 Feb 2021 14:29:33 +0000

Last In, First Out is a method of processing data in which the last items entered are the first to be removed.

Answered: What is method overriding in java?

Fri, 26 Feb 2021 14:27:52 +0000

declaring a method in the subclass which is already present in the parent class is known as a method overriding

What is the architecture of the operating system?

Fri, 26 Feb 2021 14:25:48 +0000

Answered: What is file processing in java?

Fri, 26 Feb 2021 14:25:36 +0000

It permits us to create, read, update, and delete the files.

Answered: What is the difference between deep and shallow copy?

Fri, 26 Feb 2021 14:23:46 +0000

a deep copy constructs a new compound object and then inserts copies into it of the objects found in the original whereas the shallow copy inserts references into it to the objects found in the original.

How do you handle exception in java?

Fri, 26 Feb 2021 14:17:14 +0000

Answered: What is pickling and unpickling in python?

Fri, 26 Feb 2021 14:15:54 +0000

Pickling is the process of converting object hierarchy into byte stream whereas unpickling is the process of converting byte stream into an object hierarchy.

What is Devops?

Fri, 26 Feb 2021 14:15:09 +0000

Devops

Answered: What is IoT?

Fri, 26 Feb 2021 14:15:02 +0000

The Internet of Things (IoT) describes the network of physical objects that are embedded with senors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems over the internet.

What is the process of compilation and linking in python?

Fri, 26 Feb 2021 14:14:47 +0000

What advantages do NumPy arrays offer over (nested) Python lists?

Fri, 26 Feb 2021 14:12:46 +0000

Answered: What is type conversion in Python?

Fri, 26 Feb 2021 14:11:53 +0000

it is a process of converting a data type into another data type

What is the usage of help() and dir() function in Python?

Fri, 26 Feb 2021 14:11:44 +0000

How can you randomize the items of a list in place in Python?

Fri, 26 Feb 2021 14:10:23 +0000

What are python modules? Name some commonly used built-in modules in Python?

Fri, 26 Feb 2021 14:09:03 +0000

How is memory managed in Python?

Fri, 26 Feb 2021 14:08:20 +0000

What type of language is python? Programming or scripting?

Fri, 26 Feb 2021 14:07:39 +0000

What is Agile?

Fri, 26 Feb 2021 14:07:08 +0000

Agile

Answered: Explain what is embedded system in a computer system?

Fri, 26 Feb 2021 14:02:42 +0000

An embedded system is a microprocessor-based system that is designed to perform a specific task.

Mention what are the essential components of embedded system?

Fri, 26 Feb 2021 14:02:35 +0000

Mention some of the best database servers.

Fri, 26 Feb 2021 14:01:35 +0000

Database servers.

Answered: What are the most widely used computer languages?

Fri, 26 Feb 2021 13:54:39 +0000

c++, Java are the most commonly used languages

Answered: What are the programming language that are used to create applets?

Fri, 26 Feb 2021 13:36:57 +0000

java is used to create an applet and also there are HTML applets.

Answered: What is SQL and its components?

Wed, 27 Jan 2021 14:53:42 +0000

protocol layer

relational engine

storage engine

SQLOS

Answered: What is a microcode?

Wed, 27 Jan 2021 14:49:18 +0000

it's a hardware technique that interposes a layer of organization between the CPU hardware and the programmer-visible instruction set architecture of the computer.

Answered: What are DML commands in SQL?

Wed, 27 Jan 2021 14:40:07 +0000

this command insert, select, delete, update and merge the Oracle database.

Answered: Why crystal is preferred for clock source?

Wed, 27 Jan 2021 14:32:33 +0000

because of high stability, quality factor, and frequency

Answered: What is the program counter?

Wed, 27 Jan 2021 14:29:48 +0000

It is a special-purpose register and used by the processor to hold the address of the next instruction to be executed.

Answered: what are types of microprocessor?

Wed, 27 Jan 2021 14:25:19 +0000

CISC Processor
RISC Processor
Superscalar Processor
Application Specific Integrated Circuit processor
Digital Signal Multiprocessors.

Classify interrupts on the basis of the signal. State their differences?

Wed, 27 Jan 2021 14:24:48 +0000

Answered: What are the types of SQL queries?

Wed, 27 Jan 2021 14:22:03 +0000

DDL statements.
DML Statements.
Transaction Control Statements.
Session Control Statements.
System Control Statement.
Embedded SQL Statements.

What is DBMS and SQL?

Wed, 27 Jan 2021 14:14:59 +0000

What is use of with in SQL?

Wed, 27 Jan 2021 14:14:24 +0000

What is the basic structure of SQL?

Wed, 27 Jan 2021 14:13:38 +0000

Answered: What do we need SQL join?

Wed, 27 Jan 2021 14:10:58 +0000

The SQL Joins clause is used to combine records from two or more tables in a database.

Answered: Why the main method is static in java?

Wed, 27 Jan 2021 14:07:53 +0000

Java's main() method is always static, so that compiler can call it without the creation of an object or before the creation of an object of the class. So, the compiler needs to call the main() method. If the main() is allowed to be non-static, then while calling the main() method JVM has to instantiate its class.