Java SE 11 Programmer I (1Z0-815) Free Practice Test

Question 1

Given the code fragment:

Which "for" loop produces the same output?

A.

B.

C.

D.

Correct Answer: B

Question 2

Which three are valid replacements for foo so that the program will compiled and run?
public class ForTest {
public static void main(String[] args) {
int[] arrar = {1,2,3};
for ( foo ) {
}
}
}

A. int i: array

B. int i = 0; i < 1; i++

C. ;;

D. ; i < 1; i++

E. ; i < 1;

Correct Answer: A,B,C

Question 3

Given:

What is the result?

A. Good Morning, Potter

B. Good Morning, Harry

C. Good Night, Harry

D. Good Night, Potter

Correct Answer: D

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Question 4

Which is the correct order of possible statements in the structure of a Java class file?

A. package, class, import

B. package, import, class

C. import, class, package

D. class, package, import

E. import, package, class

Correct Answer: A

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Question 5

Analyze the code:

Which two options can you insert inside println method to produce Global:namescope? (Choose two.)

A. prefix+Test.name

B. Test.getName+prefix

C. new Test().prefix+new Test().name

D. Test.prefix+Test.name

E. prefix+name

F. Test.prefix+Test.getName()

Correct Answer: C,F

Question 6

Which two statements are correct about modules in Java? (Choose two.)

A. A module must be declared in module-info.java file.

B. module-info.java cannot be empty.

C. java.base exports all of the Java platforms core packages.

D. By default, modules can access each other as long as they run in the same folder.

E. module-info.java can be placed in any folder inside module-path.

Correct Answer: A,D

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Question 7

Given:

If file "App.config" is not found, what is the result?

A. Exception in thread "main" java.lang.Error:
Fatal Error: Configuration File, App.config, is missing.

B. nothing

C. Configuration is OK

D. The compilation fails.

Correct Answer: D

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Question 8

Which two describe reasons to modularize the JDK? (Choose two.)

A. easier to understand the Java language

B. improves security and maintainability

C. easier to build a custom runtime linking application modules and JDK modules

D. easier to expose implementation details

E. improves application robustness

Correct Answer: B,E

Question 9

Given:

executed with this command:
java Main one two three
What is the result?

A. It creates an infinite loop printing:
0). one
1). two
1). two
...

B. A java.lang.NullPointerException is thrown.

C. The compilation fails.

D. 0). one

E. 0). one
1). two
2). three

Correct Answer: A

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Oracle Java SE 11 Programmer I (1Z0-815) Free Practice Test