1z0-819 Leak Questions

Java SE 11 Developer Questions and Answers

Question 29

Given:

Which would cause s to be AQCD?

s.replace(s.indexOf(“A”), s.indexOf(“C”), “Q”);

s.replace(s.indexOf(“B”), s.indexOf(“C”), “Q”);

s.replace(s.indexOf(“B”), s.indexOf(“B”), “Q”);

s.replace(s.indexOf(“A”), s.indexOf(“B”), “Q”);

Question 30

Given this requirement:

Module vehicle depends on module part and makes its com.vehicle package available for all other modules.

Which module-info.java declaration meets the requirement?

Option A

Option B

Option C

Option D

Question 31

Given:

What is the result?

nothing

It fails to compile.

A java.lang.IllegalArgumentException is thrown.

Question 32

Given:

When run and all three files exist, what is the state of each reader on Line 1?

All three readers are still open.

All three readers have been closed.

The compilation fails.

Only reader1 has been closed.