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Oracle 1z0-808: Java SE 8 Programmer I

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Question 1

Which is true about the switch statement?

A. Its expression can evaluate to a collection of values.

B. The break statement, at the end of each case block, is optional.

C. Its case label literals can be changed at runtime.

D. It must contain the default section.

Correct Answer:B

Question 2

Given the code fragment:
1Z0-808 dumps exhibit
What is the result if the integer aVar is 9?

A. Compilation fails.

B. 10 Hello Universe!

C. 10 Hello World!

D. 9 Hello World!

Correct Answer:B

Question 3

Given the code fragment:
1Z0-808 dumps exhibit
What is the result?

A. 3

B. 4

C. -1

D. Compilation fails.

Correct Answer:A

Question 4

Given:
1Z0-808 dumps exhibit
What is the result?

A. BaseDerivedA

B. BaseDerivedB

C. DerivedBDerivedB

D. DerivedBDerivedA

E. A ClassCastException is thrown at runtime.

Correct Answer:D

Question 5

Given:
1Z0-808 dumps exhibit
What is the result?

A. 10 20 30 40

B. 0 0 30 40

C. Compilation fails.

D. An exception is thrown at runtime.

Correct Answer:C

Question 6

Which two code fragments cause a compilation error? (Choose two.)

A. float flt = 100.00F;

B. float flt = (float) 1_11.00;

C. Float flt = 100.00;

D. double y1 = 203.22;float flt = y1;

E. int y2 = 100;float flt = (float) y2 ;

Correct Answer:AD

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