Object Oriented Programming MCQs

Page No. 79

The names given to the default arguments are only looked up and ________________ and are bound during declaration.


aChecked for availability

✖


bChecked for random access

✖


cChecked for accessibility

✓


d Checked for feasibility

✖


View Answer Checked for accessibility

The using declaration __________


aDoesn’t carry over the default values

✖


bCarries over the known default arguments

✓


cCarries over only the normal arguments

✖


dCarries over only few default arguments

✖


View Answer Carries over the known default arguments

The non-template functions can be added with default arguments to already declared functions ____________________


aIf and only if the function is declared again in the same scope

✓


bIf and only if the function is declared only once in the same scope

✖


cIf and only if the function is declared in different scope

✖


dIf and only if the function is declared twice in the program

✖


View Answer If and only if the function is declared again in the same scope

Which among the following is false for default arguments?


aThose are not allowed with a declaration of pointer to functions

✖


bThose are not allowed with the reference to functions

✖


cThose are not allowed with the typedef declarations

✖


dThose are allowed with pointer and reference to function declaration

✓


View Answer Those are allowed with pointer and reference to function declaration

Default arguments are _________________________


aOnly allowed in the parameter list of the function declaration

✓


bOnly allowed in the return type of the function declaration

✖


cOnly allowed with the class name definition

✖


dOnly allowed with the integer type values

✖


View Answer Only allowed in the parameter list of the function declaration

Which among the following is a wrong call to the function void test(int x, int y=0, int z=0)?


atest(5,6,7);

✖


btest(5);

✖


ctest();

✓


dtest(5,6);

✖


View Answer test();

What function will be called with the independent syntax “test(5,6,7);”?


avoid test(int x, int y)

✖


bvoid test(int x=0, int y, int z)

✖


cint test(int x=0, y=0, z=0)

✖


dvoid test(int x, int y, int z=0)

✓


View Answer void test(int x, int y, int z=0)

Which among the following is correct?


avoid test(int x=0, int y, int z=0)

✖


bvoid test(int x=0, int=0)

✖


cvoid test(int x, int y=0)

✓


dvoid test(int x=’c, int y)

✖


View Answer void test(int x, int y=0)

If a function have all the default arguments but still some values are passed to the function then ______________


aThe function will use the values passed to it

✓


bThe function will use the default values as those are local

✖


cThe function can use any value whichever is higher

✖


dThe function will choose the minimum values

✖


View Answer The function will use the values passed to it

Which among the following function can be called without arguments?


avoid add(int x, int y=0)

✖


bvoid add(int=0)

✖


cvoid add(int x=0, int y=0)

✓


dvoid add(char c)

✖


View Answer void add(int x=0, int y=0)

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