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pochemuha
3 years ago
12

Show what this program prints. Be exact and complete. Can you explain the behavior of each print statement? 1 2 3 4 5 6 7 public

class Test { public static void main(String[] args) { System.out.println("39 + 3"); System.out.println(39 + 3); System.out.println("39" + 3); } }
Computers and Technology
1 answer:
KengaRu [80]3 years ago
3 0

Answer:

39 + 3

42

393

Explanation:

In this line System.out.println("39 + 3"), the quotation marks are used to delimit a string, then when printed in the console the string is printed as-is.

In the next line: System.out.println(39 + 3), without the quotation marks, the 39+3 is treated as a normal addition and prints the result of the operation.

In the last line printed with the code System.out.println("39" + 3,; the symbol + is used to concatenate the string 39 with the number 3, since the string has no spaces they are printed together.

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5 0
3 years ago
When memory allocation is ____, it means all portions of the program and OS are loaded into sequential locations in memory.
OLga [1]

Answer:

Contiguous

Explanation:

A Contiguous memory allocation is known to be a classical memory allocation model. In this situation, we have a system which assigns consecutive memory blocks to a process. It is one of the oldest methods of memory allocation. If the process is in need of execution, the memory would be requested by the process. The processes size would then be compared to the amount of Contiguous memory that is available for the execution of the process.

3 0
3 years ago
The website of an international human rights organization stores a large database of information and provides search functionali
ValentinkaMS [17]

Answer:

False.

Explanation:

The website of an international human rights organization stores a large database of information and provides search functionality to make it easier for their visitors to locate desired information. However, this approach fails to be effective since the search functionality is limited to the website rather than the whole web is a False statement.

3 0
3 years ago
The following SQL statement contains which type of subquery? SELECT title FROM books WHERE EXISTS (SELECT isbn FROM orderitems W
Rudiy27

Answer:

(a) Correlated.

Explanation:

Correlated subquery :These sub queries reference columns from outer table or uses values from outer query.These sub queries are processed atleast once for every row processed.So because of this reason correlated sub queries can be slow.Since the query in the question also uses value from the outer query so it is a correlated query.

4 0
4 years ago
)Which of following can be thrown using the throwstatement?
Amanda [17]

Answer:

All of Given

Explanation:

The throw keywords can be used to throw any Throwable object. The syntax is :

throw <Throwable instance>

Note that Error and Exception are subclasses of Throwable while RuntimeException is a subclass of Exception. So the hierarchy is as follows:

Throwable

-- Error

-- Exception

   -- RuntimeException

And all of these are valid throwable entities. As a result "All of Given" is the most appropriate option for this question.

6 0
3 years ago
Read 2 more answers
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