Overloaded Methodsa. Method add (…) is overloaded as follows:static double add( int a, dou...

Overloaded Methods

a. Method add (…) is overloaded as follows:

static double add( int a, double b)          static double add(double a, int b){                          {     return a + b;                           return a − b;}                          }

Which, if any, of the following invocations fail to compile? Give reasons.

i. add(1,2)

ii. add(1.0,2.0)

iii. add(1.0, 2)

iv. add(2.0,2)

b. Method sub(…) is overloaded as follows:

int sub( int a, int b)        double add(double a, double b){                         {     return a − b;            return a − b;}                         }

Which, if any, of the following invocations fail to compile? Give reasons.

i. sub(1,2)

ii. sub(1.0,2.0)

iii. sub(1.0, 2)

iv. sub(2.0,2)

c. What is the problem with the following overloaded method that returns a product as either an int or a long ?

int mul(int a, int b) long mul(int a, int b){                       {    return a * b;                   return a * b;}                       }