| Question |
Solution
|
| 1 |
c |
| 2 |
c Substitute no_of_bits = ( 8 for
byte , 16 for short, 16 for char, 32 for int, 64 for long, 32
for float, 64 for double).
We get (2^7) / (2^7) -1 for int and
so on for other types
|
| 3 |
b Alphabetically by class
name. |
| 4 |
b |
| 5 |
c. there is nothing like
explicit declaration for default package. The class is added to
default package if there is no package statement. |
| 6 |
h Valid declaration for
the main() method must be public and static, have void as return
type and take a single array of String objects as arguments. The
order of public and static keywords is irrelevant. Also declaring
the method final does not effect the method's potential to be
used as a main() method. |
| 7 |
b |
| 8 |
f |
| 9 |
c . There are no friend
functions as in C++. |
| 10 |
c |
| 11 |
b |
| 12 |
b primitive boolean keyword is 'boolean'
and boolean can be only 'true' or 'false'
|
| 13 |
b Array index start from
0. So somearray[0] points to the first element in the array. |
| 14 |
d byte primitive range
is -128 to + 127 |
| 15 |
b and d |
| 16 |
e |
| 17 |
a |
| 18 |
b |
| 19 |
a |
| 20 |
d |
| 21 |
a and b. local variables
should be explicitly initialized |
| 22 |
a |
| 23 |
c |
| 24 |
c |
| 25 |
d,e |
| 26 |
06, 006, 0006 |
| 27 |
0x0a, 0X0a, 0xa, 0Xa,
0x0A, 0X0A, 0XA |
| 28 |
d. the variable y is getting
read before being properly initialized |
| 29 |
d. instance variable of
type int and String are initialized to 0 and null respectively |
| 30 |
b,d,e,f |
| 31 |
d |
| 32 |
c |
| 33 |
c.javadoc comment is recognized
only if it is placed immediately before a class, interface, method
or field |
