Object-Oriented Programming Languages Quiz

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Which edition of Java targets environments with limited resources?

Java Platform, Micro Edition (Java ME) (correct)
Java Platform, Mobile Edition (Java ME)
Java Platform, Standard Edition (Java SE)
Java Platform, Enterprise Edition (Java EE)

What is the primary advantage of Java programming language?

Platform-dependence
Limited resources targeting
Simplicity
Object-oriented (correct)

When was Java SE 7 released?

February 6, 2002
December 11, 2006
September 30, 2004
July 2011 (correct)

Which programming language holds the top position in the TIOBE Programming Community Index for December 2011?

Java (B) Signup and view all the answers

What type of applications can be developed using Java?

Desktop Application (A) Signup and view all the answers

What is the file extension for Java source code?

.java (C) Signup and view all the answers

What is the purpose of Java Card?

For smartcards (D) Signup and view all the answers

Which tool is used to compile Java source files into bytecode?

javac (D) Signup and view all the answers

What is the machine language of the Java Virtual Machine (JVM)?

Bytecodes (A) Signup and view all the answers

Which method is automatically called when a Java class is executed?

main (D) Signup and view all the answers

What is the purpose of the Java application launcher tool (java)?

To run Java applications using the JVM (A) Signup and view all the answers

What is a compiler error in Java?

A problem in the structure of a program that causes the compiler to fail (C) Signup and view all the answers

What keyword indicates the start of a class definition in Java?

class (D) Signup and view all the answers

In Java, what does the keyword 'public' indicate?

Accessibility level of a method or class (C) Signup and view all the answers

What does the 'static' keyword signify in Java?

'static' members belong to the class instead of a specific instance (A) Signup and view all the answers

What does a compiler output represent in Java?

Errors and warnings produced during compilation (C) Signup and view all the answers

In Java, what is the purpose of a variable?

To store information such as letters, numbers, words, and sentences (C) Signup and view all the answers

What are the three properties of a variable in Java?

Memory location, type of data, name (identifier) (A) Signup and view all the answers

Which of the following is NOT a Java primitive data type?

String (B) Signup and view all the answers

What is the result of the expression $5 + 3 * 2$ in Java?

$11$ (B) Signup and view all the answers

What does the 'boolean' data type represent in Java?

True or false values (B) Signup and view all the answers

What is the main purpose of a method in Java?

To call (invoke) a set of code at any point in a program (D) Signup and view all the answers

Which modifier is used to make a method available without the need to create an object of the class where it is defined?

static (D) Signup and view all the answers

What is the returnValueType when a method performs the desired operations without returning a value?

void (A) Signup and view all the answers

In Java, what is the purpose of using the 'final' modifier for a variable?

To define a variable as a constant (D) Signup and view all the answers

What is the correct way to call the 'm1' method from class A within class B in Java?

A.m1(); (A) Signup and view all the answers

What type of comments are ignored by the Java compiler?

// Enclosed comments (B) Signup and view all the answers

In Java, what is the primary purpose of an identifier?

To name variables, constants, methods, classes, and packages (B) Signup and view all the answers

What does the keyword 'void' signify when defining a method in Java?

It returns no value (B) Signup and view all the answers

What is the correct way to declare a Java constant?

public static final double PI=3.14; (B) Signup and view all the answers

What does the 'public' modifier indicate when declaring a method in Java?

It specifies the access type of the method (D) Signup and view all the answers

What is the purpose of using identifiers in Java?

To name variables, constants, methods, classes, and packages (A) Signup and view all the answers