Download Java SE 11 Programmer I.dump4pass.1z0-815.2021-01-04.1e.80q.vcex


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Exam Java SE 11 Programmer I
Number 1z0-815
File Name Java SE 11 Programmer I.dump4pass.1z0-815.2021-01-04.1e.80q.vcex
Size 8.16 Mb
Posted January 04, 2021
Downloads 92



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Demo Questions

Question 1
Given:

  

What is the result?

  • A: nothing
  • B: It fails to compile.
  • C: 0
  • D: A java.lang.IllegalArgumentException is thrown.
  • E: 10



Question 2
Given:

  

Which two changes need to be made to make this class compile? (Choose two.)

  • 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;



Question 3
Which two modules include APIs in the Java SE Specification? (Choose two.) 


  • A: java.logging
  • B: java.desktop
  • C: javafx
  • D: jdk.httpserver
  • E: jdk.jartool



Question 4
Given:

  

What is the output? 

  • A: 300
  • B: Exception
  • C: 200
  • D: 100



Question 5
Which two statements are true about the modular JDK? (Choose two.)

  • 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.



Question 6
Given the code fragment:

  

What is the result? 

  • A: -1 : 2
  • B: 2 : -1
  • C: 2 : 3
  • D: 3 : 0



Question 7
Given:

  

What is the result?

  • A: The compilation fails. 
  • B: abdf
  • C: abd
  • D: adf
  • E: abcd



Question 8
Which set of commands is necessary to create and run a custom runtime image from Java source files? 

  • A: java, jdeps
  • B: javac, jlink 
  • C: jar, jlink
  • D: javac, jar



Question 9
Given:

  

What is the result? 

  • A: 4
  • B: 3
  • C: An exception is thrown at runtime. 
  • D: 5



Question 10
Given:

  

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?

  • 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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