Multiple choice question on java - Part 3

PART-1    PART-2   PART-3

1 -Using super keyword we can call

1. sub class constructor          

2. super class constructor

3. child class object    

4. none of these

2. Data can be passed to the function through

1. Call by value                      

2. call by reference

3. both of above                    

4. none of these

3. Which of the following loop will be execute at least once even if the condition is false

1. for loop      

2. do-while loop

3. while loop   

4. none of these

4. Which of the following loop will not execute at least once  if the condition is false

1. for loop      

2. do-while loop

3. while loop   

4. none of these

5 Inheritance helps in

1. Reduce redundancy in code        

2. speed up the program

3. Easy to read           

4. none of these

6. the ++ operator  postfix and prefix has the same effect

1. True                                    

2. false

3. Sometime true & sometime false   

4. none of these

5. 
   

7. x=10,y=5 what would be value of z after executing the following statement

if(x>=9&&y<=8)

z=x+y;

        else

            z=x-y;

1. 15               

2. 5

3. 13               

4. none of these

8. Member of the structure are accessed by ----------- operator

1. address operator      

2. dot operator          

3. scope resolution op 

4. none of these

9. constructor can be overloaded

1. true                        

2. false

3. in special cases                   

4. none of these

10 which of the following is not

 the feature of object oriented programming

1. Data encapsulation

2. Inheritance

3. Operator overloading

4. data structure