Free 1Z0-819 Exam Dumps

Question 26

Given:
1Z0-819 dumps exhibit
Which code, when inserted at one or more marked positions, would allow classes B and C to compile?

A. @Override // position 3void x () {} // position 3@Override // position 3public void z() { } // position 3
B. @Override // position 2public void z() { } // position 3
C. implements A // position 1@Override // position 2
D. public void z() { } // position 3

Correct Answer:B

Question 27

Given:
List list1 = new ArrayList<>(); list1.add(“A”);
list1.add(“B”);
List list2 = List.copyOf(list1); list2.add(“C”);
List> list3 = List.of(list1, list2); System.out.println(list3);
What is the result?

A. [[A, B],[A, B]]
B. An exception is thrown at run tim
C. [[A, B], [A, B, C]]
D. [[A, B, C], [A, B, C]]

Correct Answer:B
1Z0-819 dumps exhibit

Question 28

Given this enum declaration:
1Z0-819 dumps exhibit
Examine this code: System.out.println(Alphabet.getFirstLetter());
What code should be written at line 3 to make this code print A?

A. final String getFirstLetter() { return A.toString(); }
B. static String getFirstLetter() { return Alphabet.values()[1].toString(); }
C. static String getFirstLetter() { return A.toString(); }
D. String getFirstLetter() { return A.toString(); }

Correct Answer:C

Question 29

Which two statements are correct about try blocks? (Choose two.)

A. A try block can have more than one catch block.
B. A finally block in a try-with-resources statement executes before the resources declared are closed.
C. A finally block must be immediately placed after the try or catch blocks.
D. A try block must have a catch block and a finally block.
E. catch blocks must be ordered from generic to specific exception types.

Correct Answer:AC

Question 30

Given:
1Z0-819 dumps exhibit
executed using command:
java Hello “Hello World” Hello World What is the output?

A. An exception is thrown at runtime.
B. Hello WorldHello World
C. Hello World Hello World
D. Hello WorldHelloWorld
E. HelloHello WorldHelloWorld

Correct Answer:C

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