posted 13 years ago

This is from Dan's example:

Section 8: Fundamental Classes in the java.lang Package / java.lang.Math / Exam 2

Question 8

Which of the following statements is true in terms of the value returned by the java.lang.Math.round method?

a. Rounds the argument to the nearest whole number. If the result is equally close to two whole numbers, then the even one is returned.

b. Rounds the argument to the nearest whole number. If the result is equally close to two whole numbers, then the odd one is returned.

c. Adds 0.5 to the argument and takes the floor of the result.

d. Adds 0.5 to the argument and takes the ceil of the result.

e. None of the above

Ans given is c.

I tried following code and dosen't work as per c.

Please suggesut, if i am wrong.

class t {

public static void main (String[] args) {

System.out.println(Math.round(.51));

// Added .5 to the argument and took floor of the result.

System.out.println(Math.floor(.56));

}}

Thank you in advance!

Section 8: Fundamental Classes in the java.lang Package / java.lang.Math / Exam 2

Question 8

Which of the following statements is true in terms of the value returned by the java.lang.Math.round method?

a. Rounds the argument to the nearest whole number. If the result is equally close to two whole numbers, then the even one is returned.

b. Rounds the argument to the nearest whole number. If the result is equally close to two whole numbers, then the odd one is returned.

c. Adds 0.5 to the argument and takes the floor of the result.

d. Adds 0.5 to the argument and takes the ceil of the result.

e. None of the above

Ans given is c.

I tried following code and dosen't work as per c.

Please suggesut, if i am wrong.

class t {

public static void main (String[] args) {

System.out.println(Math.round(.51));

// Added .5 to the argument and took floor of the result.

System.out.println(Math.floor(.56));

}}

Thank you in advance!

"Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."

posted 13 years ago

0.51 + 0.5 = 1.01

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