What is NetBeans in the field of programming?

An open source integrated development environment for various programming languages.

A high-level programming language used for creating web applications.

A framework for the development of multiplatform mobile applications.

A library of functions and tools for image processing in Java.

What is OpenJDK in the field of programming?

A free and open source implementation of the Java platform.

An integrated development environment for the Java programming language.

A framework for the development of web applications in Java.

A compiler for the Java programming language.

What is Oracle in the field of programming?

A technology company that develops software and hardware for database management and business systems.

An integrated development tool for the Java programming language.

A high-level programming language used for developing database applications.

A framework for the development of web applications in Java.

What are variables in Java?

Containers to store data that is used in the program.

Predefined functions that can be called anywhere in the code.

Data types used to represent characters and text strings.

Labels used to identify different sections of the code

What is a good practice for naming variables in Java?

Use descriptive names that reflect the purpose of the variable.

Use short and meaningless names to save memory space.

Use single letter names to reduce code complexity.

Use names that contain spaces or special characters to make them more distinctive.

What is a good practice for naming classes in Java?

Use names in capital letters for the first letter of each word in the class name (camelCase).

Use singular and lowercase names for classes.

Use names in the plural and in lower case for the classes.

Use random names unrelated to the purpose of the class.

What is a good practice for naming constants in Java?

Use capitalized names with underscores to separate words.

Use lowercase names with underscores to separate words.

Use names in lower case and without separations for constants.

Use random names unrelated to the value of the constant.

What are reserved words in Java?

They are words that have a special meaning in Java and cannot be used for other purposes.

They are words that can only be used in comments within the code.

They are words that are used to define variables in Java.

They are words that are used exclusively in the creation of classes in Java.

What is a good practice for naming methods in Java?

Use infinitive verbs for the methods, followed by nouns if necessary.

Use names in lowercase and without separations for the methods.

Use capitalized names for methods.

Use random names unrelated to the functionality of the method.

Why is it important to use proper names in Java?

Because proper names make code easier to understand and maintain.

Because proper names make the code harder to understand.

Because the proper names can lead to errors in the syntax of the code.

Because proper names have no impact on code quality.

What does it mean that Java is a strongly typed language?

That Java requires that variables and expressions have defined data types and does not allow operations between different data types, for example numbers and letters

That variables in Java can change type during the execution of the program.

That Java does not allow the declaration of variables with data types defined by the user.

That Java does not allow the declaration of variables with numerical values greater than a certain limit.

What is concatenation in Java?

An operation that allows joining two or more character strings into one.

An operation that allows the addition of two numeric variables.

An operation that allows one type of data to be converted to another.

An operation that allows you to compare two values and determine if they are equal or not.

What are comments used for in Java?

To add notes and explanations in the code that help other programmers to understand it.

To create variables and methods in the code.

To indicate errors in the code that must be corrected.

To hide sections of code that are not used in the execution of the program.

What is operator precedence in Java?

It is the order in which the operations in an expression are evaluated.

It is the order in which instructions are executed in a program.

It is the way in which the operators are organized in a line of code.

It is the order in which variables are declared in a program.

What is the .equals() method used for in Java?

To compare two objects and determine if they are equal in content and structure.

To convert an object from one data type to another data type.

To get a substring of a character string.

To round a decimal number to a whole number.

What is a constant in Java?

A value that cannot change during program execution.

A variable whose value can change during the execution of the program.

A keyword used to declare a variable in Java.

An instruction that stops the execution of a program.

How do you declare an array in Java?

int[][] myMatrix = {{1, 2}, {3, 4}};

int myMatrix = {{1, 2}, {3, 4}};

int[][] myMatrix = new int[2]{2};

int myMatrix[2][2] = {{1, 2}, {3, 4}};

What is the structure of a "for" loop in Java?

for (initialization; condition; increment) { //code to execute }

for (condition; increment; initialization) { //code to execute }

for (increment; initialization; condition) { //code to execute }

for (initialization; increment; condition) { //code to execute }

What is the structure of a "while" loop in Java?

while (condition) { //code to execute }

while (initialization; condition; increment) { //code to execute }

while (increment; initialization; condition) { //code to execute }

while (initialization; increment; condition) { //code to execute }

What is the structure of a "do-while" loop in Java?

do { //code to execute } while (condition);

do (condition) { //code to execute } while (increment);

do (increment) { //code to execute } while (condition);

do (condition) { //code to execute } while (initialization);

What is a method in Java?

A set of instructions that perform a specific task.

A control structure that allows you to repeat a block of code several times.

A class that is used to create objects.

What is the return value of a method in Java?

A value that is returned to the program that called the method.

A value that is used to control the execution of the method.

A value that is used to stop the execution of the program.

A value that is used to indicate whether the method succeeded or failed.

What is a parameter in a Java method?

A value that is used to pass information to the method.

A value that is returned to the program that called it.

A value that is used to control the execution of the method.

A value that is used to stop the execution of the program.

What does the following code do in Java? for(int i = 0; i < 10; i++){ if(i % 2 == 0){ System.out.println(i); } }

Print the even numbers from 0 to 9

Print the odd numbers from 0 to 9

What does the following code do in Java? String s1 = "Hello"; String s2 = "World"; String s3 = s1 + " " + s2; System.out.println(s3);

Concatenates the strings "Hello" and "World" and prints them as "Hello World"

Adds the strings "Hello" and "World" and prints them as "Hello World"

Creates an array with the strings "Hello" and "World" and prints them as "Hello World"

Does not compile due to a syntax error

What is the result of this code? String s1 = "Hello"; String s2 = "Hello"; String s3 = new String("Hello"); if (s1 == s2) { System.out.println("s1 and s2 are equal"); } else { System.out.println("s1 and s2 are different"); } if (s1 == s3) { System.out.println("s1 and s3 are equal"); } else { System.out.println("s1 and s3 are different"); }

s1 and s2 are the same, s1 and s3 are different

s1 and s2 are different, s1 and s3 are the same

What are magic values in Java?

Values used in the code without explanation or clear documentation

Values assigned to variables that change dynamically during program execution

Random numbers generated by the program

Numeric constants defined in the code

Tendecias en Ing. Sistemas

Authored by GEILY TORRADO

Computers

University

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108 questions

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MULTIPLE CHOICE QUESTION

15 mins • 1 pt

"Which of the following best describes the
role of an interpreter in programming?

An interpreter is a program that translates the source code of a programming language into machine language before executing it.

An interpreter is a program that compiles the source code of a programming language into an executable file before being executed.

An interpreter is a program that directly executes the source code of a programming language without the need to compile it previously.

An interpreter is a program that debugs the source code of a programming language for errors before being executed.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following best describes the
role of a compiler in programming?

A compiler is a program that directly executes the source code of a programming language without the need to compile it first.

 A compiler is a program that debugs the source code of a programming language for errors before being executed.

A compiler is a program that translates the source code of a programming language into machine language before executing it.

A compiler is a program that compiles the source code of a programming language into a plain text file.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following best describes the
role of the front-end in web development?

The front-end is responsible for managing the database of a website.

The front-end focuses on the user's interaction with the interface of a website.

 The front-end is responsible for the logic and server processing on a website.

The front-end takes care of security and protection against attacks on a website.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What does IDE mean in the field of programming?

Integrated Development Environment

Intelligent Design Engineering

Interface Design Elements

Interactive Development Exercise

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following best describes
the role of the back-end in web development?

The back-end focuses on the presentation and user interaction with the interface of a website.

The back-end is in charge of managing the database of a website.

The back-end is responsible for the logic and processing of the client on a website.

The back-end focuses on web security and attack protection on a website.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What does LTS mean in the field of programming?

Long-term support

Latest technology stack.

Load testing suite.

Language translation service.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What does JDK mean in the field of programming?

Java Development Kit

JavaScript Development Kit

Java Debugging Kit

Java Documentation Kit

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Tendecias en Ing. Sistemas

"Which of the following best describes the
role of an interpreter in programming?

Which of the following best describes the
role of a compiler in programming?

`Which of the following best describes the role of the front-end in web development?`

`What does IDE mean in the field of programming?`

`Which of the following best describes the role of the back-end in web development?`

What does LTS mean in the field of programming?

`What does JDK mean in the field of programming?`

`What is NetBeans in the field of programming?`

What is OpenJDK in the field of programming?

What is Oracle in the field of programming?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Computers

Tendecias en Ing. Sistemas

"Which of the following best describes the role of an interpreter in programming?

Which of the following best describes therole of a compiler in programming?

Which of the following best describes the role of the front-end in web development?

What does IDE mean in the field of programming?

Which of the following best describes the role of the back-end in web development?

What does LTS mean in the field of programming?

What does JDK mean in the field of programming?

What is NetBeans in the field of programming?

What is OpenJDK in the field of programming?

What is Oracle in the field of programming?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Computers

"Which of the following best describes the
role of an interpreter in programming?

Which of the following best describes the
role of a compiler in programming?

`Which of the following best describes the role of the front-end in web development?`

`What does IDE mean in the field of programming?`

`Which of the following best describes the role of the back-end in web development?`

`What does JDK mean in the field of programming?`

`What is NetBeans in the field of programming?`