최신 1z0-808 무료덤프 - Oracle Java SE 8 Programmer I

문제1

Given the code fragment:

What is the result?

A. A B C D E

B. Compilation fails.

C. A B C

D. A B D E

정답: B

문제2

Given the code fragment:

Which three code fragments are valid at line n1?

A. public static void insertToy() {/* code goes here */}

B. public int calculatePrice() {return price;}

C. public void printToy();

D. public abstract Toy getToy() {return new Toy();}

E. public abstract int computeDiscount();

정답: A,B,E

문제3

Given:

What is the result?

A. 0:0
100:0

B. null:null 100:null

C. 0:0
100:200

D. null:0
100:0

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제4

Given the code fragment:

Which modification enables the code to print 54321?

A. Replace line 6 with System.out.print (--x);

B. At line 7, insert x --;

C. Replace line 12 with return (x > 0) ? false : true;

D. Replace line 5 with while (is Available(--x)) {

정답: D

문제5

Given:

And given the commands:
javac Test.Java
Java Test Hello
What is the result?

A. An exception is thrown at runtime

B. Success

C. Failure

D. Compilation fails.

정답: C

문제6

Given the following class:

And given the following main method, located in another class:

Which three lines, when inserted independently at line n1, cause the program to print a o balance?

A. acct.changeAmount(-acct.getAmount());

B. this.amount = 0;

C. acct. getAmount () = 0;

D. amount = 0;

E. acct.changeAmount(-acct.amount);

F. acct.changeAmount(0);

G. acct (0) ;

H. acct.amount = 0;

정답: A,E,H

설명: (DumpTOP 회원만 볼 수 있음)

문제7

Given the code fragment:

Which two code fragments can be independently inserted at line n1 to enable the code to print the elements of the array in reverse order?

A. do {System.out.print(array[x]);--x;} while (x >= 0);

B. while (x > 0) {x--;System.out.print(array[x]);}

C. while (x > 0) {System.out.print(array[--x]);}

D. while (x >= 0) {System.out.print(array[x]);x--;}

E. do {x--;System.out.print(array[x]);} while (x >= 0);

정답: C,E

문제8

Given the code fragment:
System.out.println(2 + 4 * 9 - 3); //Line 21
System.out.println((2 + 4) * 9 - 3); // Line 22
System.out.println(2 + (4 * 9) - 3); // Line 23
System.out.println(2 + 4 * (9 - 3)); // Line 24
System.out.println((2 + 4 * 9) - 3); // Line 25
Which line of codes prints the highest number?

A. Line 21

B. Line 25

C. Line 22

D. Line 23

E. Line 24

정답: C

문제9

Given the code snippet from a compiled Java source file:

Which command-line arguments should you pass to the program to obtain the following output?
Arg is 2

A. java MyFile 2 2 2

B. java MyFile 0 1 2 3

C. java MyFile 1 3 2 2

D. java MyFile 1 2 2 3 4

정답: C

문제10

Given:
MainTest.java:

and commands:

What is the result?

A. An exception is thrown at runtime

B. String main 123

C. String main 1

D. String main 1 2 3

정답: C

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:

What is the result?

A. Green 4

B. Red 0
Orange 1

C. Red 0
Orange 0
Green 6

D. Compilation fails

E. Red 0
Orange 0
Green 3

정답: D

문제13

Given:
public class String1 {
public static void main(String[] args) {
String s = "123";
if (s.length() >2)
s.concat("456");
for(int x = 0; x <3; x++)
s += "x";
System.out.println(s);
}
}
What is the result?

A. 123456

B. 123456xxx

C. 123xxx

D. Compilation fails

E. 123

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제14

Given the code fragment:

What is the result?

A. Jesse 25
Walter 52

B. Compilation fails only at line n2.

C. Compilation fails only at line n1.

D. Compilation fails at both line n1 and line n2.

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제15

Given the code fragment:

And given the requirements:
1. Process all the elements of the array in the reverse order of entry.
2. Process all the elements of the array in the order of entry.
3. Process alternating elements of the array in the order of entry.
Which two statements are true? (Choose two.)

A. Requirement 3 CANNOT be implemented by using either the enhanced for loop or the standard for loop.

B. Requirements 2 and 3 CANNOT be implemented by using the standard for loop.

C. Requirements 1, 2, and 3 can be implemented by using the enhanced for loop.

D. Requirements 1, 2, and 3 can be implemented by using the standard for loop.

E. Requirement 2 can be implemented by using the enhanced for loop.

정답: B,D

문제16

Given the definitions of the MyString class and the Test class:

What is the result?

A. Option D

B. Option C

C. Option B

D. Option A

정답: B

문제17

Given the code fragment:

What is the result?

A. 2413

B. 4231

C. 3142

D. 1324

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제18

Given:

What is the result?

A. An ArraylndexOutOfBoundsException is thrown at runtime.

B. A NullPointerException is thrown at runtime.

C. 97 98
99 100 101 102 103

D. Compilation fails.

E. 97 98
99 100 null null null

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제19

Given the code fragment:

Test.java:

Which is the result?

A. Compilation fails in the Employee class.

B. Compilation fails in the Test class.

C.

D.

E. Both the Employee class and the Test class fail to compile.

정답: B

문제20

Given:

How many MarkList instances are created in memory at runtime?

A. 4

B. 1

C. 3

D. 2

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

최신 1z0-808 무료덤프 - Oracle Java SE 8 Programmer I

우리와 연락하기

유용한 링크

최신 업데이트