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Java Questions and Answers (Q&A)

Carice Snow, Motivator
Answered: Mar 07, 2019
Correct answers – options A, B and E
In Java, an identifier is anything used for the name to declare an entity. All identifiers must begin with a letter, an underscore or a Unicode of...Read More

6 Answers

1528 views
Pwndz
Answered: Mar 16, 2020

Yes. What makes a language structure is the presence of stuctured control. Control like if/else, for, while loops etc. Java has that.

2 Answers

1057 views
Bobby Rickets, Content Reviewer
Answered: Nov 11, 2018
Java is a programming language often seen in computers or when discussing computers. There are several different computer languages today, but Java is a very popular one. There are differences...Read More

4 Answers

495 views
J. Emmerich, Web Content Writer
Answered: Aug 08, 2018
The answers are B and C, JDBC stands for Java Database Connectivity and it is an API (application programming interface) to access relational databases, spreadsheets, and flat files. The clients...Read More

3 Answers

408 views
H. Martin, Content Writer
Answered: Jul 17, 2018
The right statement is that the elements in the collection are ordered. This is because a state of order is more likely ad the collection is more likely to be ordered. There are multiple reasons...Read More

3 Answers

405 views
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

405 views
Chris Evins, College Student
Answered: Dec 02, 2019
There are two correct answers to this question. The first is B, Two objects created, and F, Three reference variables created. The three reference variables which are created are a thing, item,...Read More

3 Answers

404 views
H. Barnes, Unemployed
Answered: Aug 01, 2019
False
Java keywords are not written in lowercase as well as uppercase. JavaScript is known to be case sensitive. All the keywords are the small case in the original java version. Therefore,...Read More

3 Answers

391 views
John Smith
Answered: Mar 29, 2020
Char c1 = 064770;-2. char c3 = 0xbeef;-3. char c6 = \ \\uface\ ;-(1), (3), and (6) are correct. char c1 = 064770; is an octal representation of the integer value 27128, which is legal because it...Read More

1 Answer

343 views
N. Kingsley, Writer
Answered: Oct 24, 2018
The answer to this is A. It should be noted that it has already been stated that the class is final. Abstract refers to a class that is known to be incomplete. This means that it would need to...Read More

3 Answers

324 views
Ken Wilson, Marketing Analyst
Answered: Dec 14, 2018
This question has two answers: both 1 and 2 are correct. When considering which of the choices listed above that would be a valid statement about Apex classes and interfaces in java, the default...Read More

2 Answers

323 views
M. Porter, Senior Executive
Answered: Dec 14, 2018
The answer to this question is B. The database and JDBC resources are released if you call the method close() on a ResultSet object in Java. If you try to call the method close on a ResultSet...Read More

4 Answers

310 views
AnandVR
Answered: Mar 29, 2020
Public double methoda();

Option A is correct. A public access modifier is acceptable. The method prototypes in an interface are all abstract by virtue of their declaration, and should not...Read More

1 Answer

308 views
John Smith
Answered: Mar 29, 2020
Public superclass member (and protected subclass members if it s in the same package)

1 Answer

304 views

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