Oracle Java SE 11 Developer - 1Z0-819 FREE EXAM DUMPS QUESTIONS & ANSWERS

A. Hello B. NullPointerException is thrown at line 4. C. A compilation error occurs. D. NullPointerException is thrown at line 10.

A. Line 3 is the first line to cause a compilation error. B. Line 1 is the first line to cause a compilation error, C. It complies without errors. D. Line 2 Is the first line to cause a compilation error.

A. Make foo and sets synchronized. B. Class A is thread safe. C. Make a synchronized. D. Make foo synchronized. E. Make setB synchronized.

A. 2,34,54,5 B. 2,54,54,5 C. 2,34,54,3 D. 2,34,34,5

A. option D B. option C C. option A D. option B

A. java --module-path mods -m com.example/com.acme.Main B. java -classpath com.example.jar -m com.example/com.acme.Main C. java -classpath com.example.jar com.acme.Main D. java --module-path mods com.example/com.acme.Main

A. An instance variable can be declared with the static modifier. B. An interface can be declared with the protected modifier. C. A local variable can be declared with the final modifier. D. An abstract method can be declared with the private modifier. E. An inner class cannot be declared with the public modifier.

A.
B.
C.
D.

A. null
null B. Joe
null C. Joe
Marry D. null
Mary

A. The compilation fails due to an error in line 1. B. Short value 25 C. Byte value 25 D. Object value 25

A. Function function = x -> x.substring(0,2); B. Predicate function = a -> a.equals("banana"); C. Consumer function = (String f) -> (System.out.println(f);}; D. Supplier function = () -> fruits.get (0);

A. System.out.printin(supplier.test() ); B. System.out.printin(supplier.accept() ); C. System.out.printin(supplier.apply() ); D. System.out.printin(supplier.get() );