最新的Oracle 1Z1-803免費考試真題

問題1

Given:

What is the result?

A. The program prints multiple of 2 infinite times

B. The program prints nothing

C. 2 4 6 8 10 12

D. Compilation fails

E. 2 4 6 8 10 12 14

正確答案: B

問題2

Given: How many objects have been created when the line / / do complex stuff is reached?

A. Three

B. Six

C. Four

D. Two

正確答案: C

問題3

Which two statements are true?

A. An abstract class can be extended by an interface.

B. An abstract class can implement an interface.

C. An interface CANNOT be extended by another interface.

D. An interface can be extended by an abstract class.

E. An abstract class can be extended by a concrete class.

F. An abstract class CANNOT be extended by an abstract class.

正確答案: B,E

說明：（僅 Fast2test 成員可見）

問題4

Given the code fragment: What is the result?

A. Found Red Found Blue Found White

B. Found Red Found Blue Found White Found Default

C. Found Red Found Blue

D. Found Red

正確答案: C

說明：（僅 Fast2test 成員可見）

問題5

Given the following code:

What will make this code compile and run?

A. Change line 5 to the following: Price = (Simple) 4;

B. Change line 5 to the following: Price = 4f;

C. Change line 5 to the following: Price = (float) 4:

D. The code compiles and runs properly; no changes are necessary

E. Change line 4 to the following: int price = new simple ();

F. Change line 5 to the following: price.price = 4;

G. Change line 2 to the following: Public int price

H. Change line 4 to the following: Float price = new simple ();

正確答案: F

說明：（僅 Fast2test 成員可見）

問題6

View the exhibit:
public class Student {
public String name = "";
public int age = 0;
public String major = "Undeclared";
public boolean fulltime = true;
public void display() {
System.out.println("Name: " + name + " Major: " + major); }
public boolean isFullTime() {
return fulltime;
}
}
Which line of code initializes a student instance?

A. Student student1 = Student();

B. Student student1 = new Student();

C. Student student1 = Student.new();

D. Student student1;

正確答案: B

問題7

Given:

What code should be inserted?

A. Option D

B. Option F

C. Option B

D. Option C

E. Option E

F. Option A

正確答案: D

說明：（僅 Fast2test 成員可見）

問題8

Given:
package p1;
public class Test {
static double dvalue;
static Test ref;
public static void main(String[] args) {
System.out.println(ref);
System.out.println(dvalue);
}
}
What is the result?

A. Null
0.0

B. <the summary address refrenced by ref> 0.000000

C. A NullPointerException is thrown at runtime

D. Compilation fails

E. p1.Test.class
0.0

正確答案: A

說明：（僅 Fast2test 成員可見）

問題9

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, cyan, yellow]

B. Am IndexOutOfBoundsException is thrown at runtime

C. [green, red, yellow, cyan]

D. [green, blue, yellow, cyan]

正確答案: C

說明：（僅 Fast2test 成員可見）

最新的Oracle Java SE 7 Programmer I - 1Z1-803免費考試真題

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