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block

Which statement will create an array of type double that will contain the numbers 5.2, 7.0 and -2,5?

Select the correct answer(s).  

(0/0)

---

double[] list = [5.2, 7.0, -2.5],

double[] list = {5.2, 7.0, -2.5}

double list[3] = {5.2, 7.0, -2.5}

double[] list = array(5.2, 7.0, -2.5)

none

Consider the attached code. What is contained in each element of the array when the statements are executed?

Select the correct answer(s).  

(0/0)

---

2.0

2

\u0000

0

none

What is the index of the last element in an array ?

Select the correct answer(s).  

(0/0)

---

The index depends on the number of bytes used by each element

The size of the array

The number that is specified as the last element

The size of the array minus one

none

What happens when an array of objects is created?

Select the correct answer(s).  

(0/0)

---

The array contains objects of the specified type created earlier in the program.

The array contains objects of the specified type initialized to null or 0.

The array contains locations for references to objects of the specified type.

The array contains references to objects of the specified type created earlier in the program.

none

What is combined with an array identifier to provide a reference to a single element of the array ?

Select the correct answer(s).  

(0/0)

---

index value

primitive value

array value

variable value

none

Which of the following is a valid index data type for accessing members of an array?

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(0/0)

---

int

string

double

boolean

none

How many times will the following loop execute?

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(0/0)

---

2

1

0

4

3

none

How can a Java array named arr that is already full be extended to accomodate a new element?

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(0/0)

---

just assign the new value to the variable arr[arr.length+1]

Arrays.extend(arr,arr.length, arr.length+1)

arr.length++

once created, a Java array cannot be extended

none

When using switch(expr) in Java=>7, the data type of expr can be any of the following, EXCEPT:

Select the correct answer(s).  

(0/0)

---

int

long

short

char

String

byte

none

Which of the following are true regarding the sections of the for statement in Java?(choose three) for (section1;section2;section3){}

Select the correct answer(s).  

(0/0)

---

section 3 is executed at the beginning of every iteration

section 1 is executed at the beginning of every iteration

section 3 is executed at the end of every iteration

section 2 is evaluated at the end of every iteration

section 1 is executed once

section 2 is evaluated at the beginning of every iteration

none

What is the element at index 3 in the character array ?

Select the correct answer(s).  

(0/0)

---

3

H

5

A

none

Given the array declarations below, which of the following assignments will correctly compile and will not produce any runtime errors ? (choose three)

Select the correct answer(s).  

(0/0)

---

b[1] = a

c[2][1] = b[2]

c[0][0] = a[1]

b[1] = a[2]

c[2] = b,

c[0][a[1]]=b[c.length/2]

none

Which of the following values could be used for initializing variable c in order for the following code to print "I love Java"? (choose two)

Select the correct answer(s).  

(0/0)

---

7

8

9,

10,

6,10

none

How many elements are in dblArray?

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(0/0)

---

6

7

5

14

none

Using the array declaration below, what is the value of t.length?

Select the correct answer(s).  

(0/0)

---

4

1

3

2