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Guide for Oracle Java

Quiz Oracle Java

Free Test
/ 10

Quiz

1/10
Given: Certification Exam Oracle Java Oracle Oracle-1Z0-819 2-1220772161 What is the result?
Select the answer
1 correct answer
A.
nothing
B.
It fails to compile.
C.
0
D.
A java.lang.IllegalArgumentException is thrown.
E.
10

Quiz

2/10
Given: Certification Exam Oracle Java Oracle Oracle-1Z0-819 4-1776140821 Which two changes need to be made to make this class compile? (Choose two.)
Select the answer
2 correct answers
A.
Change Line 1 to an abstract class:public abstract class API {
B.
Change Line 2 access modifier to protected:protected void checkValue(Object value)throws IllegalArgumentException;
C.
Change Line 1 to a class:public class API {
D.
Change Line 1 to extend java.lang.AutoCloseable:public interface API extends AutoCloseable {
E.
Change Line 2 to an abstract method:public abstract void checkValue(Object value)throws IllegalArgumentException;

Quiz

3/10
Which two modules include APIs in the Java SE Specification? (Choose two.)
Select the answer
2 correct answers
A.
java.logging
B.
java.desktop
C.
javafx
D.
jdk.httpserver
E.
jdk.jartool

Quiz

4/10
Given: Certification Exam Oracle Java Oracle Oracle-1Z0-819 5-395125852 What is the output?
Select the answer
1 correct answer
A.
300
B.
Exception
C.
200
D.
100

Quiz

5/10
Which two statements are true about the modular JDK? (Choose two.)
Select the answer
2 correct answers
A.
The foundational APIs of the Java SE Platform are found in the java.base module.
B.
An application must be structured as modules in order to run on the modular JDK.
C.
It is possible but undesirable to configure modules’ exports from the command line.
D.
APIs are deprecated more aggressively because the JDK has been modularized.

Quiz

6/10
Given the code fragment: Certification Exam Oracle Java Oracle Oracle-1Z0-819 7-648825470 What is the result?
Select the answer
1 correct answer
A.
-1 : 2
B.
2 : -1
C.
2 : 3
D.
3 : 0

Quiz

7/10
Given: Certification Exam Oracle Java Oracle Oracle-1Z0-819 8-3012505630 What is the result?
Select the answer
1 correct answer
A.
The compilation fails.
B.
abdf
C.
abd
D.
adf
E.
abcd

Quiz

8/10
Which set of commands is necessary to create and run a custom runtime image from Java source files?
Select the answer
1 correct answer
A.
java, jdeps
B.
javac, jlink
C.
jar, jlink
D.
javac, jar

Quiz

9/10
Given: Certification Exam Oracle Java Oracle Oracle-1Z0-819 9-1922093834 What is the result?
Select the answer
1 correct answer
A.
4
B.
3
C.
An exception is thrown at runtime.
D.
5

Quiz

10/10
Given: Certification Exam Oracle Java Oracle Oracle-1Z0-819 11-169635578 It is required that if p instanceof Pair then p.isValid() returns true. Which is the smallest set of visibility changes to insure this requirement is met?
Select the answer
1 correct answer
A.
setLeft and setRight must be protected.
B.
left and right must be private.
C.
isValid must be public.
D.
left, right, setLeft, and setRight must be private.
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Info quiz:

  • Quiz name:Oracle Java
  • Total number of questions:258
  • Number of questions for the test:50
  • Pass score:80%

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