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Oracle 1z1-819 Accurate Study Material & Latest 1z1-819 Test Fee

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Oracle Java SE 11 Developer Sample Questions (Q148-Q153):

NEW QUESTION # 148
Given:

It is required that if p instanceof Pairthen p.isValid()returns true.
Which is the smallest set of visibility changes to insure this requirement is met?

A. setLeftand setRightmust be protected.
B. isValidmust be public.
C. leftand rightmust be private.
D. left, right, setLeft, and setRightmust be private.

Answer: B

NEW QUESTION # 149
Given:

What is the result?

A. The compilation fails.
B. Orange Juice
C. The program prints nothing.
D. Orange Juice Apple Pie Lemmon Ice Raspberry Tart

Answer: D

Explanation:

NEW QUESTION # 150
Given:

What is the result?

A. nothing
B. 0
C. A java.lang.IllegalArgumentException is thrown.
D. 1
E. It fails to compile.

Answer: E

Explanation:

NEW QUESTION # 151
Given:

Which two methods modify field values? (Choose two.)

A. setTCount
B. setGCount
C. setACount
D. setAllCounts
E. setCCount

Answer: B,D

NEW QUESTION # 152
Given:

What is the type of x?

A. List<String>
B. List<Character>
C. String
D. char

Answer: C

NEW QUESTION # 153
......

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Ray Foster Ray Foster

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