Class initialisation is the …………… initialisation of class fields of values.

1. explicit
2. implicit
3. Both a and b
4. None of the above

Operations like square root, sine and cosine are

1. impure functions
2. pure functions
3. static functions
4. class functions

A linear search

1. can be used with sorted arrays only.
2. can be used with unsorted arrays only.
3. can be used with both sorted and unsorted arrays.
4. cannot be used with arrays.

Method that converts a character to uppercase is

1. toUpper()
2. ToUpperCase()
3. TOUPPERCASE()
4. toUpperCase(char)