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Oracle Java SE 11 Developer Sample Questions (Q176-Q181):

NEW QUESTION # 176
Given:
/code/a/Test.java
containing:

and
/code/b/Best.java
containing:
package b;
public class Best { }
Which is the valid way to generate bytecode for all classes?

  • A. javac -d /code /code/a/Test.java
  • B. javac -d /code /code/a/Test.java /code/b/Best.java
  • C. java /code/a/Test.java /code/b/Best.java
  • D. java -cp /code a.Test
  • E. java /code/a/Test.java
  • F. javac -d /code /code/a/Test

Answer: B


NEW QUESTION # 177
Given:

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

  • A. Change Line 1 to extend java.lang.AutoCloseable:public interface API extends AutoCloseable {
  • B. Change Line 2 to an abstract method:public abstract void checkValue(Object value)throws IllegalArgumentException;
  • C. Change Line 1 to an abstract class:public abstract class API {
  • D. Change Line 1 to a class:public class API {
  • E. Change Line 2 access modifier to protected:protected void checkValue(Object value)throws IllegalArgumentException;

Answer: B,D


NEW QUESTION # 178
Given:

What will secure this code from a potential Denial of Service condition?

  • A. After Line 3, add dataReader.close().
  • B. On Line 3, enclose processData(dataReader) with try with resources.
  • C. On Line 1, use try with resources when opening each dataReader.
  • D. Before Line 1, check the size of dataFiles to make sure it does not exceed a threshold.
  • E. After Line 4, add indexReader.close().

Answer: B


NEW QUESTION # 179
Given:

A) An exception is thrown at run time.
B)

C) The compilation fails due to an error on line 2.
D) The compilation fails due to an error on line 1.
E)

F)
The compilation fails due to an error on line 3.

  • A. Option F
  • B. Option C
  • C. Option E
  • D. Option D
  • E. Option B
  • F. Option A

Answer: F


NEW QUESTION # 180
Given:

What is the result?

  • A. The program prints nothing.
  • B. Orange Juice
  • C. The compilation fails.
  • D. Orange Juice Apple Pie Lemmon Ice Raspberry Tart

Answer: D

Explanation:


NEW QUESTION # 181
......

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