최신 1z1-808 무료덤프 - Oracle Java SE 8 Programmer I

문제1

Given the code fragment:

What is the result?

A. 10 8 6 4 2

B. 10 8 6 4 2 0

C. The program goes into an infinite loop outputting: 10 8 6 4 2 0. . .

D. Compilation fails

E. AnArithmeticException is thrown at runtime

정답: C

문제2

Given:

Which statement, when inserted into line "// TODO code application logic here ", is valid change?

A. asc = (object) sc;

B. asc = sc;

C. sc = asc;

D. asc= sc.clone ()

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제3

Given:

The class is poorly encapsulated.
You need to change the circle class to compute and return the area instead.
Which three modifications are necessary to ensure that the class is being properly encapsulated?
(Choose 3)

A. Remove the area field.

B. Change the getRadius () method: public double getRadius () { area = Math.PI * radius * radius; return radius; }

C. When the radius is set in the Circle constructor and the setRadius () method, recomputed the area and store it into the area field

D. Change the getArea () method public double getArea () { return area; }

정답: A,C,D

문제4

Given:

What is the result?

A. false, true

B. true, false

C. true, true

D. false, false

정답: A

문제5

Given the following code for a Planet object:

What is the output?

A. Option E

B. Option D

C. Option C

D. Option B

E. Option A

정답: C

문제6

Given:
public class Test {
public static void main(String[] args) {
int arr[] = new int[4];
arr[0] = 1;
arr[1] = 2;
arr[2] = 4;
arr[3] = 5;
int sum = 0;
try {
for (int pos = 0; pos <= 4; pos++) {
sum = sum + arr[pos];
}
} catch (Exception e) {
System.out.println("Invalid index");
}
System.out.println(sum);
}
}
What is the result?

A. Invalid Index

B. 12

C. Compilation fails

D. Invalid Index 12

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제7

Given the code fragment:

Which code snippet at line 9 prints true?

A. Option D

B. Option C

C. Option B

D. Option A

정답: C

문제8

Given the code fragment:

What could expression1 and expression2 be, respectively, in order to produce output ?, 16?

A. + +a, b- -

B. A+ +, - - b

C. + +a, - -b

D. A + +, b - -

정답: A

문제9

Which two code fragments cause compilation errors? (Choose two.)

A. Float fit = 100.00;

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

C. int y2 = 100;
float fit = (float) y2;

D. float fit = 100.00F;

E. double y1 = 203.22; float fit = y1;

정답: B,C

문제10

Given:

What is the result?

A. The program prints nothing

B. 2 4 6 8 10 12 14

C. Compilation fails

D. 2 4 6 8 10 12

E. The program prints multiple of 2 infinite times

정답: A

문제11

Given:

What is the result?

A. Compilation fails at line n1

B. Area is 6.0

C. Compilation fails at line n2.

D. Area is 3.0

정답: C

문제12

Given the code fragment:

What is the result?

A. 285 < 429
true

B. 28false29
true

C. true
true

D. compilation fails

정답: C

최신 1z1-808 무료덤프 - Oracle Java SE 8 Programmer I

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