Oracle 1Z0-819 Exam (page: 1)
Oracle Java SE 11 Developer
Updated on: 28-Sep-2025

Viewing Page 1 of 53

Given:
What is the result?

  1. nothing
  2. It fails to compile.
  3. 0
  4. A java.lang.IllegalArgumentException is thrown.
  5. 10

Answer(s): B



Given:



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

  1. Change Line 1 to an abstract class:public abstract class API {
  2. Change Line 2 access modifier to protected:protected void checkValue(Object value)throws IllegalArgumentException;
  3. Change Line 1 to a class:public class API {
  4. Change Line 1 to extend java.lang.AutoCloseable:public interface API extends AutoCloseable {
  5. Change Line 2 to an abstract method:public abstract void checkValue(Object value)throws IllegalArgumentException;

Answer(s): C,E



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

  1. java.logging
  2. java.desktop
  3. javafx
  4. jdk.httpserver
  5. jdk.jartool

Answer(s): A,D


Reference:

https://docs.oracle.com/javase/9/docs/api/overview-summary.html



Given:



What is the output?

  1. 300
  2. Exception
  3. 200
  4. 100

Answer(s): A



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

  1. The foundational APIs of the Java SE Platform are found in the java.base module.
  2. An application must be structured as modules in order to run on the modular JDK.
  3. It is possible but undesirable to configure modules' exports from the command line.
  4. APIs are deprecated more aggressively because the JDK has been modularized.

Answer(s): A,C



Viewing Page 1 of 53



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