Question

5. Assume that Person is a predefined class and that the declaration Person[] people; has already been performed. Then the instruction

People = new Person [200];

Reserves memory space for(Circle the answer):

     Option 1: a single Person object

     Option 2: 200 Person objects

     Option 3: a single reference variable that points to a single Person object

     Option 4:200 reference variables and 200 Person objects

     Option 5: 200 reference variable, each of which can point to a separate Person object

     Option 6: a single reference variable to the memory that stores all 200 Person objects

6. Consider a method defined as follows:

Public void myMethod(double x, int y):

Circle which of the following method calls is legal? (zero, one, or more answers may be correct)

     Option 1: myMethod();

     Option 2: myMethod(-1);

     Option 3: myMethod(7 * 3.0, 7 /14);

     Option 4: myMethod(37, 0.5);

Answer 1

Answer

5)  Option 5: 200 reference variable, each of which can point to a separate Person object
6)  Option 3: myMethod(7 * 3.0, 7 /14); <- only this option is correct