16.NumberFormatException is caused when a conversion between strings and number fails.

a.False

b.True

17.______ is used for comment in Java.

a.&

b.>

c.!

d.//

18.ArrayIndexOutOfBoundException is caused by _____________

a.i/o failures

b.division by zero

c.next()

d.bad array indexes

19.Which is the correct variable name in Java?

a.+AB

b.123AB

c.AB_CD

d.AB*

20.What is the output of the following java code?

String Y = COLLEGE; System.out.println (Y.indexOf(L));

a.5

b.2

c.1

d.6