Question

Question 49 1.25 pts Given two variables, val1 and val2, which expression would you use to test whether or not they are equal? O val1 = val2 val1 == val2 val1 equals val2 O val1 and val2

Answer 1

Q 49

To compare to variables val1 and val2

Option A : false

val1= val2 ( it means value of val2 is assigned to val1)

Option B: True

This is correct way to compare val1 and val2

Option C: false

No such method exist. In java, equals() exists to compare two strings. But here expression itself is false.

Option D : false.

And logical operator.

Q58

Option A : false.

No such datatype exist

Option B: true.

Count variable generally used to track on number of occurrences, so it should be integer.

Option C: false.

Number of occurrence are not in decimals.

Option D : false

Str is use to store set of characters.

Q74

Option A: false

No such logical operator (both)

Option B: false

This logical operator is use to complement conditions, true become false and vice versa.

Option C: True

If both side subexpressions is true then only whole condition is true.

Option D: false

If either side subexpression is true.. whole condition is true.

Q78

Option B: true

islower is method which checks all the letters are in lower case.