Java quiz

in /by

Java quiz

11.

Which one is a valid declaration of a boolean?

A.boolean b1 = 0;
B.boolean b2 = ‘false’;
C.boolean b3 = false;
D.boolean b4 = Boolean.false();
E.boolean b5 = no;

12.

Which three are valid declarations of a float?

  1. float f1 = -343;
  2. float f2 = 3.14;
  3. float f3 = 0x12345;
  4. float f4 = 42e7;
  5. float f5 = 2001.0D;
  6. float f6 = 2.81F;
A.1, 2, 4
B.2, 3, 5
C.1, 3, 6
D.2, 4, 6

13.

Which is a valid declarations of a String?

A.String s1 = null;
B.String s2 = ‘null’;
C.String s3 = (String) ‘abc’;
D.String s4 = (String) ‘ufeed’;

14.

What is the numerical range of a char?

A.-128 to 127
B.-(215) to (215) – 1
C.0 to 32767
D.0 to 65535

"You need a similar assignment done from scratch? Our qualified writers will help you with a guaranteed AI-free & plagiarism-free A+ quality paper, Confidentiality, Timely delivery & Livechat/phone Support.


Discount Code: CIPD30



Click ORDER NOW..

order custom paper