The parseInt() function is a member of

1. integer wrapper class
2. character wrapper class
3. boolean wrapper class
4. none

valueOf() function converts

1. Primitive type to String
2. String to primitive type
3. character to String
4. None

Which of the following statements is true?

1. Character.isLowerCase( ) and Character.toLowerCase( ) are same.
2. Character.isLetter( ) and Character.isAlphabet( ) are same.
3. parse and valueOf functions are same.
4. Character.isDigit( ) and Character.isNumber( ) are same.

The variable must be declared …….. type, if a character is to be assigned to it.

1. char
2. ch
3. character
4. alphanumeric