Oracle 1z0-819 Exam Questions Free Practice Test

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Viewing questions 61-70 out of questions

Questions # 61:

Given the code fragment:

Question # 61

How many lines of text does this program print?

Options:

four

one

three

two

Questions # 62:

Given the code fragment:

Question # 62

What is the result?

Options:

The program prints nothing.

It prints 1 in infinite loop.

Questions # 63:

Give:

Question # 63

And the code fragment:

Question # 63

Which three code fragments, at line n1 prints SPRING?

Options:

System.out.printin (sA(1)};

System.out.printin(Season,values(1)};

System.out.printin(Season.SPRING);

System.out.printin (sa(0)}:

System.out.printin (Season.valueof(‘’SPRING”).ordinal() );

System.out.printin(Season.valueOf(‘’SPRING”). Ordinal() );

System.out.printin (Season.valueof (‘s’) );

Questions # 64:

Given the code fragment:

What is the result?

Options:

[Lettuce, Kale]

A compilation error is thrown.

[Lettuce, Kale]

[Seabass, Salmon]

[Kale, Lettuce]

[Salmon, Seabass]

Questions # 65:

Given:

Question # 65

and

checkQuality(QUALITY.A);

and

Question # 65

Which code fragment can be inserted into the switch statement to print Best?

Options:

QUALITY.A.ValueOf()

A.toString()

QUALITY.A

Questions # 66:

Given the code fragment:

Question # 66

Which code fragment replaces the for statement?

Options:

IntStream.rangeClosed(l, 100).map(FizzBuzz::convert).forEach(System.out::println);

IntStream.ranged, 100).map(FizzBuzz::convert).forEach(System.out::println);

intstream.rangeclosed(l, 100).mapToObj{FizzBuzz::convert).forEach(System.out::printIn);

IntStream.range(1, 100).mapToObj(FizzBuzz::convert).forEach(System.out::println);

Questions # 67:

Given the code fragment:

Question # 67

What should be inserted at line n1 so that the code fragment prints Name is required?

Options:

name.trim() == '' ''

B name, isBlanl ()

name. compareTo('' '') == 0

name.isEmpty

Questions # 68:

Given:

Question # 68

Which one is correct?

Options:

An IllegalThreadStateException is thrown at run time.

Three threads are created.

The compilation fails.

Four threads are created.

Questions # 69:

Given:

Question # 69

You wants to make the reduction operation parallelized.

Which two modifications will accomplish this?

Options:

Replace line 1 with int sum = numbers. Stream (). Interate (0, a -> a+1. Reduce (0, (n m) -> n+m);

Replace line 1with int sum = numbers. ParallelStream ( ). Reduce (0, (n, m ) -> n + m);

Replace line 1 with int sum = numbers. Parallel ( ). Stream ( ). Reduce (0, (n, m ) -> n + m);

Replace line 1with int sum = number. Stream ( ) . flatMap (a -> a) .reduce (0, (n, m) -> n +m );

Replace line 1with int sum = number.stream. parallel ( ). Reduce (0, (n, m) -> n + m);

Questions # 70:

Given the declaration:

Question # 70

Which two annotations may be applied at Loc1 in the code fragment? (Choose two.)

Options:

@Resource({“Customer1”, “Customer2”})

@Resource(value={{}})

@Resource

@Resource(“Customer1”)

@Resource()

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Viewing questions 61-70 out of questions

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