최신 1Z1-803 무료덤프 - Oracle Java SE 7 Programmer I

문제1

Given: What is the result?

A. Two

B. One

C. Compilation fails

D. Three

정답: C

문제2

int i, j=0; i = (3* 2 +4 +5 ) ; j = (3 * ((2+4) + 5)); System.out.println("i:"+ i + "\nj":+j);
What is the result?

A. Option D

B. Option C

C. Option B

D. Option A

정답: C

문제3

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

문제4

Given: What should statement1, statement2, and statement3, be respectively, in order to produce the result?

Shape: constructor Square: foo Shape: foo

A. Option E

B. Option D

C. Option C

D. Option B

E. Option A

정답: B

문제5

Given:

What is the result?

A. A ClassCastException is thrown at runtime

B. Shining Sun Twinkling Star Shining Sun

C. Compilation fails

D. Shining Sun Shining Sun Shining Sun

정답: D

문제6

Which is a valid abstract class?

A. public abstract class Car {
protected final void accelerate();
}

B. public abstract class Car {
protected void accelerate();
}

C. public interface Car {
protected abstract void accelerate();
}

D. public abstract class Car {
protected abstract void accelerate();
}

E. public abstract class Car {
protected abstract void accelerate() {
//more car can do
}}

정답: D

문제7

Given:
public class Test1 {
static void doubling (Integer ref, int pv) {
ref =20;
pv = 20;
}
public static void main(String[] args) {
Integer iObj = new Integer(10);
int iVar = 10;
doubling(iObj++, iVar++);
System.out.println(iObj+ ", "+iVar);
What is the result?

A. 20, 20

B. 21, 11

C. 10, 10

D. 11, 11

E. 11, 12

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제8

Given:

And the commands: Javac Test.java Java Test 12345
What is the result?

A. A NullPointerException is thrown at runtime

B. AnArrayIndexOutOfBoundException is thrown at runtime.

C. Number us : 12345

D. A NumberFormatException is thrown at runtime

정답: B

문제9

1.class StaticMethods {
2.static void one() {
3.two();
4.StaticMethods.two();
5.three();
6.StaticMethods.four();
7.}
8.static void two() { }
9.void three() {
10.
one();
11.
StaticMethods.two();
12.
four();
13.
StaticMethods.four();
14.
}
15.
void four() { }
16.
}
Which three lines are illegal?

A. line 4

B. line 3

C. line 6

D. line 10

E. line 13

F. line 5

G. line 11

H. line 12

정답: C,E,F

문제10

Given: What is result?

A. An exception is thrown at runtime

B. Successful

C. Compilation fails

D. Unsuccessful

정답: D

문제11

Which statement is true about the default constructor of a top-level class?

A. It has private access modifier in its declaration.

B. The default constructor of a subclass always invokes the no-argument constructor of its superclass.

C. It can take arguments.

D. It can be overloaded.

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제12

Given:
class Sports {
int num_players;
String name, ground_condition;
Sports(int np, String sname, String sground){ num_players = np;
name = sname;
ground_condition = sground;
}
}
class Cricket extends Sports {
int num_umpires;
int num_substitutes;
Which code fragment can be inserted at line //insert code here to enable the code to compile?

A. Cricket() {
this(3,2);
super(11, "Cricket", "Condidtion OK");
}
Cricket(int nu, ns) {
this.num_umpires =nu;
this.num_substitutes=ns;
}

B. Cricket() {
super(11, "Cricket", "Condidtion OK");
num_umpires =3;
num_substitutes=2;
}

C. Cricket() {
super.ground_condition = "Condition OK";
super.name="Cricket";
super.num_players = 11;
num_umpires =3;
num_substitutes=2;
}

D. Cricket() {
this.num_umpires =3;
this.num_substitutes=2;
super(11, "Cricket", "Condidtion OK");
}

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제13

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: B

최신 1Z1-803 무료덤프 - Oracle Java SE 7 Programmer I

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