94 Best Java Questions and Answers (Q&A) - ProProfs Discuss

What will the following code result in: int a = 3.5;?

John Smith
Answered: Apr 29, 2024

Compilation error

1 Answer

821 views

Which operator is used by Java run time implementations to free the memory of an object when it is no longer needed?

Kvpbusiness
Answered: Apr 29, 2024

None of the mentioned

1 Answer

716 views

What is try-catch-finally in java?

John Smith
Answered: Apr 29, 2024

A catch block can have another try block nested inside
An exception which is not handled by a catch block will be handled by subsequent catch blocks

1 Answer

628 views

What are basics of Java?

Chris Evins, College Student
Answered: Dec 02, 2019

The correct answer to this question is C Class and object are just different names for the same thing. Both classes and objects are important to Java, but there are differences between...Read More

3 Answers

625 views

What is the most common use of an array?

John Smith
Answered: Apr 29, 2024

C: Perform the same operation on all elements in array.

1 Answer

600 views

Which of the following (Main, Try, Integer, String) is not a Java keyword?

John Smith
Answered: Apr 29, 2024

Integer

1 Answer

586 views

What can a derived subclass object directly access with inheritance?

John Smith
Answered: Apr 29, 2024

Public superclass member (and protected subclass members if it s in the same package)

1 Answer

582 views

What is byte code in the context of Java?

K. Myers, Blogger
Answered: Jan 28, 2021

Bytecode can be described as a compilation of program code into low-level code from source code that is designed for a software interpreter. The execution of bytecode can be carried out by a...Read More

10 Answers

561 views

What is the difference between Java 7 and Java 8?

Larry Thornton, Student
Answered: Jun 13, 2019

Java 7 and Java 8 are programming languages. Java 7 can be regarded as a programming language with more updates than what we have before, and it came earlier before Java 8. Java 8 has a lot of...Read More

3 Answers

544 views

Which implicit objects out of Application, Session, Exception, Config, is not available to a JSP page by default?

Danny R. Glover, Editor
Answered: Oct 24, 2018

The answer to this is Exception. You have to remember that various applications are immediately seen when you check out the JSPPage. If you are not familiar with the JSP page, this is a type of...Read More

2 Answers

533 views

What is the correct syntax for java main method?

G.Kenneth
Answered: Apr 19, 2018

The correct syntax method for Java main is the public static void main, or (string[] args). This is often the first method of coding that Java students encounter. The “public” part of...Read More

3 Answers

501 views