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Java Programming Multiple Choice Questions (MCQ) Online Test #5


Java Programming MCQ #41:

What is polymorphism in object-oriented programming?

About Java Programming Multiple Choice Question (MCQ) #41:
This ICT Multiple Choice Question (ICT MCQ) #41 focuses on Java Programming within the "Advanced ICT MCQ" category. This question assesses understanding of polymorphism in object-oriented programming.

Java Programming MCQ #42:

What is the purpose of the throw keyword in Java?

About Java Programming Multiple Choice Question (MCQ) #42:
This ICT Multiple Choice Question (ICT MCQ) #42 focuses on Java Programming within the "Advanced ICT MCQ" category. This question tests the understanding of the throw keyword in Java.

Java Programming MCQ #43:

What does the wildcard type <?> represent in Java generics?

About Java Programming Multiple Choice Question (MCQ) #43:
This ICT Multiple Choice Question (ICT MCQ) #43 focuses on Java Programming within the "Advanced ICT MCQ" category. This question assesses the meaning of the wildcard type <?> in Java generics.

Java Programming MCQ #44:

What is the purpose of the PreparedStatement in JDBC?

About Java Programming Multiple Choice Question (MCQ) #44:
This ICT Multiple Choice Question (ICT MCQ) #44 focuses on Java Programming within the "Advanced ICT MCQ" category. This question assesses the purpose of the PreparedStatement in JDBC.

Java Programming MCQ #45:

What does the @Entity annotation signify in Java Persistence API (JPA)?

About Java Programming Multiple Choice Question (MCQ) #45:
This ICT Multiple Choice Question (ICT MCQ) #45 focuses on Java Programming within the "Advanced ICT MCQ" category. This question assesses the purpose of the @Entity annotation in Java Persistence API (JP1).

Java Programming MCQ #46:

Which JVM component ensures that the Java bytecode adheres to the Java language specifications?

About Java Programming Multiple Choice Question (MCQ) #46:
This ICT Multiple Choice Question (ICT MCQ) #46 focuses on Java Programming within the "Advanced ICT MCQ" category. This question identifies the JVM component that ensures Java bytecode adheres to Java language specifications.

Java Programming MCQ #47:

In Java Web Development, which component is used to handle client requests and responses in a web application?

About Java Programming Multiple Choice Question (MCQ) #47:
This ICT Multiple Choice Question (ICT MCQ) #47 focuses on Java Programming within the "Advanced ICT MCQ" category. This question determines the component used to handle client requests and responses in a Java web application.

Java Programming MCQ #48:

In Java, what is the role of the findFirst() method in the Stream API?

About Java Programming Multiple Choice Question (MCQ) #48:
This ICT Multiple Choice Question (ICT MCQ) #48 focuses on Java Programming within the "Advanced ICT MCQ" category. This question assesses the role of the findFirst() method in the Stream API.

Java Programming MCQ #49:

What is the primary function of the Java Runtime Environment (JRE)?

About Java Programming Multiple Choice Question (MCQ) #49:
This ICT Multiple Choice Question (ICT MCQ) #49 focuses on Java Programming within the "Advanced ICT MCQ" category. This question identifies the primary function of the Java Runtime Environment (JR5).

Java Programming MCQ #50:

Which keyword is used to define a constant variable in Java?

About Java Programming Multiple Choice Question (MCQ) #50:
This ICT Multiple Choice Question (ICT MCQ) #50 focuses on Java Programming within the "Advanced ICT MCQ" category. This question identifies the keyword used to define a constant variable in Java.
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  • This online test, titled "Java Programming Multiple Choice Questions (MCQ) Online Test #5" is designed for individuals at the advanced level and focuses on "Java Programming". It consists of 10 carefully crafted multiple choice questions (MCQs) with five options each that assess advanced knowledge and understanding of the subject matter. This test aims to help participants evaluate their grasp of key concepts related to "Java Programming".