Computer Programming: Top In-Demand Languages

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18 Questions

What is the primary feature of Java that enables it to run on any platform?

Platform independent

What is the purpose of the automatic garbage collector in Java?

Memory deallocation

Which of the following is NOT a feature of Java programming?

Machine dependent

What is the purpose of the break operator in a loop?

To terminate the loop

What is the result of the logical operator && in Java if both statements are true?

True

What is the significance of the * symbol in a package import statement?

It imports all classes in the package

What is the purpose of the bytecode in Java?

Compiled format of Java code

What is the purpose of an access modifier in a Java class?

To control the visibility of the code inside a class

What is the name of the method that Java follows, which allows it to write the code once and run it anywhere?

W-O-R-A

What is the rule for naming a Java class?

The class name can be the same as the file name

What is the meaning of != in a conditional statement?

Not equal to

What is the purpose of a package in Java?

To provide a collection of tools and objects for creating a program

What is the correct file extension for a Java program file containing the class code?

.java

Which character should be used instead of a space in a name for a Java class or file?

_ (underscore)

What part of a Java program is read and executed by the compiler?

Main method

What is responsible for converting Java code into Bytecode?

JVM

Which of the following is not allowed in a Java class or file name?

Symbols like @ or *

What is the standard syntax for the main method in a Java program?

public static void main(String[] args)

Explore the top 10 in-demand programming languages according to the 2020 CodinGame annual survey. Learn about the features and uses of languages like JavaScript, Java, Python, and more.

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