1z1-819 無料問題集「Oracle Java SE 11 Developer」

Given:

What is the result?

Given the code fragment:

What is the result?

Given:

You want to calculate the average of the Player's score.
Which statement inserted on line 1 will accomplish this?

Given:

What is the output?

Which two are valid statements?

正解:B、E 解答を投票する
Given:

You want to implement the java.io.Serializable interface to the MyPersistenceData class.
Which method should be overridden?

Given:

What is the result?

解説: (JPNTest メンバーにのみ表示されます)
Given:

Why does D cause a compilation error?

Given:

What is the result?

Given:

What is the result?

解説: (JPNTest メンバーにのみ表示されます)
Given:

Which two lines cause compilation errors? (Choose two.)

正解:A、E 解答を投票する
How many Thing objects are eligible for garbage collection in line 1?

Given:

Which two statements can be added at line 1 in Bar to successfully compile it? (Choose two.)

正解:C、F 解答を投票する
Given:

What is the result?

解説: (JPNTest メンバーにのみ表示されます)
Which set of commands is necessary to create and run a custom runtime image from Java source files?

Which interface in the java.util.function package will return a void return type?

Given:
var fruits = List.of("apple", "orange", "banana", "lemon");
You want to examine the first element that contains the character n. Which statement will accomplish this?

解説: (JPNTest メンバーにのみ表示されます)

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