Free Practice Oracle 1Z0-819 Exam Questions 2025

Stay ahead with 100% Free Java SE 11 Developer 1Z0-819 Dumps Practice Questions

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Total 515 Questions | Updated On: Mar 25, 2025

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Question 1

What is the result?

A : 9001: java.io.FileNotFoundException: MyFile.txt-MyFile.txt

B : 9001: APPLICATION ERROR-9001-MyFile.txt 9001: java.io.FileNotFoundException: MyFile.txt-MyFile.txt

C : 9001: APPLICATION ERROR-9001-MyFile.txt

D : Compilations fails at Line 1.

Answer: D

Question 2

Given:

What is the result?

A : A ClassCastException is thrown at runtime.

B : AnotherClass#methodA()AnotherClass#methodA()

C : The compilation fails.

D : SomeClass#methodA()AnotherClass#methodA()

E : AnotherClass#methodA()SomeClass#methodA()

F : SomeClass#methodA()SomeClass#methodA()

Answer: C

Question 3

Which two statements are true about a class that is marked @Deprecated?

A : There Is always another class that can be used Instead of the deprecated class.

B : Using the class will cause the Java compiler to give a warning.

C : The class cannot be extended.

D : The author of the class wants to discourage people from using the class in any way.

E : Using the class Is guaranteed to cause errors at runtime.

Answer: B,D

Question 4

Given:

Which action must you perform to print Verified?

A : Make the verify method public and invoke it from the main method.

B : Invoke the verify method from the place method.

C : Change the declaration of the order variable to orderService order = New order(); and Invoke the verify method from the main method.

D : Invoke the verify method from the main method.

Answer: B

Question 5

Which three annotation uses are valid? (Choose three.)

A : Function func = (@NonNull x) > x.toUpperCase();

B : var v = ''Hello'' + (@Interned) ''World''

C : Function func = (var @NonNull x) > x.toUpperCase();

D : Function func = (@NonNull var x) > x.toUpperCase();

E : var myString = (@NonNull String) str;

F : var obj = new @Interned MyObject();

Answer: A,C

Page: 1 / 103

Total 515 Questions | Updated On: Mar 25, 2025

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