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

문제1

Given:
class Mid {
public int findMid(int n1, int n2) {
return (n1 + n2) / 2;
}
}
public class Calc extends Mid {
public static void main(String[] args) {
int n1 = 22, n2 = 2;
// insert code here
System.out.print(n3);
}
}
Which two code fragments, when inserted at // insert code here, enable the code to compile and print 12?

A. Calc c = new Calc();
int n3 = C.findMid(n1,n2);

B. Calc c = new Mid();
int n3 = C.findMid(n1, n2);

C. Mid m1 = new Calc();
int n3 = m1.findMid(n1, n2);

D. int n3 = super.findMid(n1,n3);

E. int n3 = Calc.findMid(n1, n2);

정답: A,C

설명: (DumpTOP 회원만 볼 수 있음)

문제2

Which statement is/are true?
I. Default constructor only contains "super();" call.
II. We can't use any access modifier with a constructor.
III. A constructor should not have a return type.

A. AIL

B. Only I and III.

C. Only I and II.

D. Only II.

E. Only I.

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제3

Given the code fragment:

Which code fragment at line 10 prints Welcome 100?

A. Option D

B. Option C

C. Option B

D. Option A

정답: C

문제4

Given:

Which two code fragments are valid?

A. Option E

B. Option D

C. Option C

D. Option B

E. Option A

정답: B,D

문제5

What is the result?
boolean log3 = ( 5.0 != 6.0) && ( 4 != 5);
boolean log4 = (4 != 4) || (4 == 4);
System.out.println("log3:"+ log3 + \nlog4" + log4);

A. log3:true
log4:false

B. log3:false
log4:false

C. log3:true
log4:true

D. log3:false
log4:true

정답: C

문제6

Given the code fragment:
for (int ii = 0; ii < 3;ii++) {
int count = 0;
for (int jj = 3; jj > 0; jj--) {
if (ii == jj) {
++count;
break;
}
}
System.out.print(count);
continue;
}
What is the result?

A. 012

B. 000

C. 123

D. 011

정답: D

문제7

Given the code fragment:
List colors = new ArrayList();
colors.add("green");
colors.add("red");
colors.add("blue");
colors.add("yellow");
colors.remove(2);
colors.add(3,"cyan");
System.out.print(colors);
What is the result?

A. [green, red, yellow, cyan]

B. [green, blue, yellow, cyan]

C. Am IndexOutOfBoundsException is thrown at runtime

D. [green, red, cyan, yellow]

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제8

Given:

What is the result?

A. 100 Hello 121

B. 10 Hello Hello 121

C. 100 Hello Hello 121

D. 10 Hello Hello 11

E. 10 Hello 11

정답: D

문제9

Given:

What is the result?

A. A B D

B. A B D C

C. A B C D

D. A B C

E. A C D

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제10

Consider:
Integer number = Integer.valueOff 808.1");
Which is true about the above statement?

A. The value of the variable number will be 0.

B. The value of the variable number will be 808

C. The value of the variable number will be 808.1

D. A NumberFormatException will be throw.

E. It will not compile.

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제11

Given:

Which code fragment, when inserted at line 7, enables the code print true?

A. Option D

B. Option C

C. Option B

D. Option A

정답: A

문제12

Given the code fragment:

What is the result?

A. A DateTimeException is thrown at runtime.

B. 2012-02-10

C. 2012-02-10 00:00

D. 2012-01-30

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제13

Given:

Which inserted at line 11, will provide the following output?
[21, 15, 11]

A. list.removelf(e > e%2 != 0);

B. list.removelf(e -> e%2 != 0);

C. Ust.removelf(e -> e%2 = 0);

D. list.remove(e -> e%2 = 0);

E. None of the above.

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제14

What is the proper way to defined a method that take two int values and returns their sum as an int value?

A. sum(int first, int second) { return first + second; }

B. int sum(int first, second) { return first + second; }

C. int sum(int first, int second) { first + second; }

D. void sum (int first, int second) { return first + second; }

E. int sum(int first, int second) { return first + second; }

정답: E

설명: (DumpTOP 회원만 볼 수 있음)

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

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