Developer Assessment Flashcards
What is object oriented programming languages?
Object-oriented programming (OOP) is a programming paradigm based on the concept of “objects”, which may contain data, in the form of fields, often known as attributes; and code, in the form of procedures, often known as methods. For example, a person is an object which has certain properties such as height, gender, age, etc. It also has certain methods such as move, talk, and so on.
Object-oriented programming (OOP) is a programming paradigm based on the concept of “objects”, which may contain data, in the form of fields, often known as attributes; and code, in the form of procedures, often known as methods. For example, a person is an object which has certain properties such as height, gender, age, etc. It also has certain methods such as move, talk, and so on.
What is object oriented programming languages?
Four Kinds of Object Oriented Programming Languages
What are the four kinds ? Encapsulation. This principle states that all important information is contained inside an object and only select information is exposed. The implementation and state of each object are privately held inside a defined class. Other objects do not have access to this class or the authority to make changes. They are only able to call a list of public functions or methods. This characteristic of data hiding provides greater program security and avoids unintended data corruption.
Abstraction. Objects only reveal internal mechanisms that are relevant for the use of other objects, hiding any unnecessary implementation code. The derived class can have its functionality extended. This concept can help developers more easily make additional changes or additions over time. Inheritance. Classes can reuse code from other classes. Relationships and subclasses between objects can be assigned, enabling developers to reuse common logic while still maintaining a unique hierarchy. This property of OOP forces a more thorough data analysis, reduces development time and ensures a higher level of accuracy.
Polymorphism. Objects are designed to share behaviors and they can take on more than one form. The program will determine which meaning or usage is necessary for each execution of that object from a parent class, reducing the need to duplicate code. A child class is then created, which extends the functionality of the parent class. Polymorphism allows different types of objects to pass through the same interface. Inheritance − The ability to create a new class from an existing class is called Inheritance. Using inheritance, we can create a Child class from a Parent class such that it inherits the properties and methods of the parent class and can have its own additional properties and methods. For example, if we have a class Vehicle that has properties like Color, Price, etc, we can create 2 classes like Bike and Car from it that have those 2 properties and additional properties that are specialized for them like a car has numberOfWindows while a bike cannot. Same is applicable to methods.
What are the four kinds ?
Encapsulation. This principle states that all important information is contained inside an object and only select information is exposed. The implementation and state of each object are privately held inside a defined class. Other objects do not have access to this class or the authority to make changes. They are only able to call a list of public functions or methods. This characteristic of data hiding provides greater program security and avoids unintended data corruption.
Abstraction. Objects only reveal internal mechanisms that are relevant for the use of other objects, hiding any unnecessary implementation code. The derived class can have its functionality extended. This concept can help developers more easily make additional changes or additions over time. Inheritance. Classes can reuse code from other classes. Relationships and subclasses between objects can be assigned, enabling developers to reuse common logic while still maintaining a unique hierarchy. This property of OOP forces a more thorough data analysis, reduces development time and ensures a higher level of accuracy.
Polymorphism. Objects are designed to share behaviors and they can take on more than one form. The program will determine which meaning or usage is necessary for each execution of that object from a parent class, reducing the need to duplicate code. A child class is then created, which extends the functionality of the parent class. Polymorphism allows different types of objects to pass through the same interface.
Inheritance − The ability to create a new class from an existing class is called Inheritance. Using inheritance, we can create a Child class from a Parent class such that it inherits the properties and methods of the parent class and can have its own additional properties and methods. For example, if we have a class Vehicle that has properties like Color, Price, etc, we can create 2 classes like Bike and Car from it that have those 2 properties and additional properties that are specialized for them like a car has numberOfWindows while a bike cannot. Same is applicable to methods.
Four types of Object Oriented Programming
Encapsulation
This principle states that all important information is contained inside an object and only select information is exposed. The implementation and state of each object are privately held inside a defined class. Other objects do not have access to this class or the authority to make changes. They are only able to call a list of public functions or methods. This characteristic of data hiding provides greater program security and avoids unintended data corruption.
This principle states that all important information is contained inside an object and only select information is exposed. The implementation and state of each object are privately held inside a defined class. Other objects do not have access to this class or the authority to make changes. They are only able to call a list of public functions or methods. This characteristic of data hiding provides greater program security and avoids unintended data corruption.
Encapsulation
Abstraction.
Objects only reveal internal mechanisms that are relevant for the use of other objects, hiding any unnecessary implementation code. The derived class can have its functionality extended. This concept can help developers more easily make additional changes or additions over time. Inheritance. Classes can reuse code from other classes. Relationships and subclasses between objects can be assigned, enabling developers to reuse common logic while still maintaining a unique hierarchy. This property of OOP forces a more thorough data analysis, reduces development time and ensures a higher level of accuracy.
Objects only reveal internal mechanisms that are relevant for the use of other objects, hiding any unnecessary implementation code. The derived class can have its functionality extended. This concept can help developers more easily make additional changes or additions over time. Inheritance. Classes can reuse code from other classes. Relationships and subclasses between objects can be assigned, enabling developers to reuse common logic while still maintaining a unique hierarchy. This property of OOP forces a more thorough data analysis, reduces development time and ensures a higher level of accuracy.
Abstraction
Polymorphism
Objects are designed to share behaviors and they can take on more than one form. The program will determine which meaning or usage is necessary for each execution of that object from a parent class, reducing the need to duplicate code. A child class is then created, which extends the functionality of the parent class. Polymorphism allows different types of objects to pass through the same interface.
Objects are designed to share behaviors and they can take on more than one form. The program will determine which meaning or usage is necessary for each execution of that object from a parent class, reducing the need to duplicate code. A child class is then created, which extends the functionality of the parent class. Polymorphism allows different types of objects to pass through the same interface.
Polymorphism
Inheritance
The ability to create a new class from an existing class is called Inheritance. Using inheritance, we can create a Child class from a Parent class such that it inherits the properties and methods of the parent class and can have its own additional properties and methods. For example, if we have a class Vehicle that has properties like Color, Price, etc, we can create 2 classes like Bike and Car from it that have those 2 properties and additional properties that are specialized for them like a car has numberOfWindows while a bike cannot. Same is applicable to methods.
The ability to create a new class from an existing class is called Inheritance. Using inheritance, we can create a Child class from a Parent class such that it inherits the properties and methods of the parent class and can have its own additional properties and methods. For example, if we have a class Vehicle that has properties like Color, Price, etc, we can create 2 classes like Bike and Car from it that have those 2 properties and additional properties that are specialized for them like a car has numberOfWindows while a bike cannot. Same is applicable to methods.
Inheritance
SDLC Seven Phases of Software Development Life Cycle Planning Define Requirements Design & Prototyping Software development Testing Deployment Operation & Maintenance
SDLC
SDLC Seven Phases of Software Development Life Cycle Planning Define Requirements Design & Prototyping Software development Testing Deployment Operation & Maintenance
SDLC
Where are you at in SDLC
I’ve worked most aspects of the Software Development Life Cycle, for the two websites and other apps I have worked on. With my two most recent projects I am in the development phases.
Where are you at in SDLC
I’ve worked most aspects of the Software Development Life Cycle, for the two websites and other apps I have worked on. With my two most recent projects I am in the development phases.
Your experience in developing an application
I’ve developed a few apps for clients with 100 Developers and a few websites for other clients including
M and L Electric (Business Website) – Technicians can track sales from their customers with their names. Customers can login to the website and see orders that have been made, mark them as complete. Orders that have been completed will note which tech completed the order.
Community Meme Matching Game (Full Stack Web App) – With over 100 different cards, test your memory in several memorable memes from the show Community!
Other Projects: Small Lakes Casino Virtual Slot Machine, Los Angeles StarGazers Society APOD Web App with NASA API integration, On-demand background color changer for Partnered Twitch streamer, DND Stats/Character generator, dice roller and many more!!
I’ve developed a few apps for clients with 100 Developers and a few websites for other clients including
M and L Electric (Business Website) – Technicians can track sales from their customers with their names. Customers can login to the website and see orders that have been made, mark them as complete. Orders that have been completed will note which tech completed the order.
Community Meme Matching Game (Full Stack Web App) – With over 100 different cards, test your memory in several memorable memes from the show Community!
Other Projects: Small Lakes Casino Virtual Slot Machine, Los Angeles StarGazers Society APOD Web App with NASA API integration, On-demand background color changer for Partnered Twitch streamer, DND Stats/Character generator, dice roller and many more!!
Your experience in developing an application
Question 1 Which of the following is NOT a data constraint in SQL? NOT NULL UNIQUE DEFAULT ORIGINAL
D Original
What is a constraint in SQL?
Constraint specifies the rule to allow or restrict what data will be stored in a table. The PRIMARY KEY, NOT NULL, and CHECK are the constraints that specify rules for data insertion.
Constraint specifies the rule to allow or restrict what data will be stored in a table. The PRIMARY KEY, NOT NULL, and CHECK are the constraints that specify rules for data insertion.
What is a constraint of SQL
Question 2 Which of the following is NOT a data type in SQL? TINYINT BIGINT CHAR STRING
String
STRING
Question 2 Which of the following is NOT a data type in SQL? TINYINT BIGINT CHAR STRING
How would we achieve ‘encapsulation’?
by restricting access to the variables within a class, and only allowing access through the methods of their current class
by allowing more access to our attributes
by refactoring code using specialised software
by allowing classes to inherit both attributes and methods
by restricting access to the variables within a class, and only allowing access through the methods of their current class
by restricting access to the variables within a class, and only allowing access through the methods of their current class
How would we achieve ‘encapsulation’?
Right Answer: by restricting access to the variables within a class, and only allowing access through the methods of their current class
by allowing more access to our attributes
by refactoring code using specialised software
by allowing classes to inherit both attributes and methods
Which of these is NOT an Object-Oriented Programming Principle?
Open/Closed
Open/Closed
Which of these is NOT an Object-Oriented Programming Principle?
What are Spring Service components used to store?
the main business logic of a Spring Boot application
the controllers for a Spring Boot application
the information about the database for a Spring Boot application
the repository of a Spring Boot application
the main business logic of a Spring Boot application
the controllers for a Spring Boot application
the information about the database for a Spring Boot application
the repository of a Spring Boot application
What are Spring Service components used to store?
Which of the following would be correct in Java?
for(int i = 0; i <= 10; j++) {
System.out.println(“Hello There!”)
for(int i = 0; i <= 10; j++) {
System.out.println(“Hello There!”)
Which of the following would be correct in Java?
How could we define what conditionals are in programming?
They allow the developer to check values and make decisions based off the answer of that check
They allow the developer to check values and make decisions based off the answer of that check
How could we define what conditionals are in programming?
What’s the difference between continuous delivery and continuous deployment?
Continuous deployment puts a greater emphasis on testing automation to check that the application is not broken whenever new commits are integrated into the main branch.
Continuous deployment puts a greater emphasis on testing automation to check that the application is not broken whenever new commits are integrated into the main branch.
What’s the difference between continuous delivery and continuous deployment?
How can we view all the records within a table?
SELECT * FROM table_name;
SELECT * FROM table_name;
How can we view all the records within a table?
What is PaaS (Platform as a Service)?
PaaS delivers cloud computing infrastructure, including servers, network, operating systems, and storage, through virtualization technology. These cloud servers are typically provided to the organization through an API or a dashboard, giving PaaS clients complete control over the entire infrastructure.
PaaS delivers cloud computing infrastructure, including servers, network, operating systems, and storage, through virtualization technology. These cloud servers are typically provided to the organization through an API or a dashboard, giving PaaS clients complete control over the entire infrastructure.
What is PaaS (Platform as a Service)?
What is PaaS (Platform as a Service)?
PaaS delivers cloud computing infrastructure, including servers, network, operating systems, and storage, through virtualization technology. These cloud servers are typically provided to the organization through an API or a dashboard, giving PaaS clients complete control over the entire infrastructure.
Which of these is NOT true in Java? Strings are used for storing text In technical terms, a string is an array of characters. Strings are treated as objects in Java. String is a primitive data type in Java.
String is a primitive data type in Java.
Java Facts
Strings are used for storing text
In technical terms, a string is an array of characters.
Strings are treated as objects in Java.
There are five SOLID principles in programming. The S in SOLID stands for:
Single Responsibility
Single Responsibility
The S in the SOLID Programming acronym
The Singleton pattern is one of the most popular design patterns in OOP programming. How would you describe it?
It’s used for single-point-of-operation modules, such as logging, driver objects, caching, and thread pools, although it’s occasionally used within the implementations of other design patterns.
It’s used for single-point-of-operation modules, such as logging, driver objects, caching, and thread pools, although it’s occasionally used within the implementations of other design patterns.
The Singleton pattern is one of the most popular design patterns in OOP programming. How would you describe it?
var x=10;
var y=2;
var res=eval("x+y");
console.log (res);Output: 12
How can you declare a variable in JavaScript?
Using const, let and var.
Using const, let and var.
How can you declare a variable in JavaScript?
What is function overloading?
Having 2 functions in the same scope with the same name but differing in argument types.
Having 2 functions in the same scope with the same name but differing in argument types.
What is function overloading?
In some programming languages, function overloading or method overloading is the ability to create multiple functions of the same name with different implementations. Calls to an overloaded function will run a specific implementation of that function appropriate to the context of the call, allowing one function call to perform different tasks depending on context.
Function Overloading
Function overloading
In some programming languages, function overloading or method overloading is the ability to create multiple functions of the same name with different implementations. Calls to an overloaded function will run a specific implementation of that function appropriate to the context of the call, allowing one function call to perform different tasks depending on context.
In some programming languages, function overloading or method overloading is the ability to create multiple functions of the same name with different implementations. Calls to an overloaded function will run a specific implementation of that function appropriate to the context of the call, allowing one function call to perform different tasks depending on context.
Function Overload
What is test driven development (TDD)?
A software development practice that focuses on working closely with the QA team during development time to ensure edge cases are accounted for.
A software development practice that focuses on writing all unit tests before development time begins, then focuses on getting those tests to pass.
A software development practice that focuses on a cycle of coding functionality then writing its test, ensuring your code is modular and not overcomplicated.
All of the above
A software development practice that focuses on working closely with the QA team during development time to ensure edge cases are accounted for.
A software development practice that focuses on writing all unit tests before development time begins, then focuses on getting those tests to pass.
A software development practice that focuses on a cycle of coding functionality then writing its test, ensuring your code is modular and not overcomplicated.
All of the above
What is test driven development (TDD)?
What is true about code interpreters?
Converts code to machine code at compile time
Converts code to machine code at compile time
What is true about code interpreters?
Code Interpreter
An Interpreter is a program that converts the code a developer writes into an intermediate language, called the byte code. It converts the code line by line, one at a time. It translates till the end and stops at that line where an error occurs, if any, making the debugging process easy.%
Every time source program is launched compile time
An Interpreter is a program that converts the code a developer writes into an intermediate language, called the byte code. It converts the code line by line, one at a time. It translates till the end and stops at that line where an error occurs, if any, making the debugging process easy.%
Every time source program is launched compile time
Code Interpreter
What makes the DOM slow?
Its tree like nature means nodes further down the branch are hard to access.
Its tree like nature means nodes further down the branch are hard to access.
What makes the DOM slow?
DOM
The Document Object Model (DOM) is an application programming interface (API) for HTML and XML documents. It defines the logical structure of documents and the way a document is accessed and manipulated.
The Document Object Model (DOM) is an application programming interface (API) for HTML and XML documents. It defines the logical structure of documents and the way a document is accessed and manipulated.
DOM
What is the Root node of the DOM tree?
Document
Document
What is the Root node of the DOM tree?
MongoDB
NoSQL databases are interchangeably referred to as “nonrelational,” “NoSQL DBs,” or “non-SQL” to highlight the fact that they can handle huge volumes of rapidly changing, unstructured data in different ways than a relational (SQL) database with rows and tables.
NoSQL technologies have been around since the 1960s, under various names, but are enjoying a surge in popularity as the data landscape shifts and developers need to adapt to handle the sheer volume and vast array of data generated from the cloud, mobile, social media, and big data.
NoSQL databases are interchangeably referred to as “nonrelational,” “NoSQL DBs,” or “non-SQL” to highlight the fact that they can handle huge volumes of rapidly changing, unstructured data in different ways than a relational (SQL) database with rows and tables.
NoSQL technologies have been around since the 1960s, under various names, but are enjoying a surge in popularity as the data landscape shifts and developers need to adapt to handle the sheer volume and vast array of data generated from the cloud, mobile, social media, and big data.
MongoDB
Jenkins
Version Control System Tool
Version Control System Tool
Jenkins
Which is NOT an advantage of DevOps?
Smaller deployments
Smaller deployments
Which is NOT an advantage of DevOps?
