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Oracle 1Z0-808 問題練習

Java SE 8 Programmer I 試験

最新更新時間: 2020/05/15,合計277問。

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Question No : 1
Given the following array:



Which two code fragments, independently, print each element in this array? (Choose two.)

正解:

Question No : 2
Given the following code:



What are the values of each element in intArr after this code has executed?

正解:

Question No : 3
You are asked to develop a program for a shopping application, and you are given the following information:
- The application must contain the classes Toy, EduToy, and ConsToy. The Toy class is the superclass of the other two classes.
- The int calculatePrice (Toy t) method calculates the price of a toy.
- The void printToy (Toy t) method prints the details of a toy.
Which definition of the Toy class adds a valid layer of abstraction to the class hierarchy?

正解:

Question No : 4
Given the following code for a Planet object:



What is the output?



正解:

Question No : 5
Given the code fragment:



Which option represents the state of the num array after successful completion of the outer loop?



正解:

Question No : 6
Given:



What is the result?

正解:

Question No : 7
Given the code fragment:



Which three lines fail to compile? (Choose three.)

正解:

Question No : 8
Given the definitions of the MyString class and the Test class:



What is the result?

正解:

Question No : 9
Given: What is the result?



正解:

Question No : 10
Given the code fragment:



What is the result?

正解:

Question No : 11
Given the code fragment:



What is the result?

正解:

Question No : 12
Given the code fragment:



Which code fragment, when inserted at line n1, enables the App class to print Equal?



正解:

Question No : 13
Given the code fragment:



What is the result?

正解:

Question No : 14
Given the code fragment:



What is the result?

正解:

Question No : 15
Given the code fragments:



Which code fragment, when inserted at line n1, enables the code to print Hank?

正解:

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