Kerala Psc Questions form Programming,

Which of the following is the exit controlled loop? (VHSE INSTRUCTOR 2015)

A.      For

B.      While

C.      Do-while

D.      Switch

Ans:  Do- While 

If you to execute different lines of code for different lines of code for different choices of a particular variable. Which one of the following control statements will you use? (VHSE INSTRUCTOR 2015)

A.      For

B.      While

C.      Do-while

D.      Switch

Ans: Switch

Which one of the following cannot be used as an identifier in C++?(VHSE INSTRUCTOR 2015)

A.      Name

B.      Name 123

C.      Break

D.      Break_123

Ans: Break

Break is keyword in C++

How many bytes of memory is needed to save a float variable? (VHSE INSTRUCTOR 2015)

A.      8

B.      4

C.      2

D.      16

Ans: 4

Multiple inheritances in java can be achieved by

A.      Interface

B.      Polymorphism

C.      Abstraction

D.      Encapsulation

Ans:  Interface

Which is the base class of all classes in java?

A.      System.lang

B.      Class.Object

C.      Java.lang.object

D.      None of these

Ans: Java.lang.object

Which of the interface contains all the methods used for handling thread related operations in java?

A.      Runnable interface

B.      Math.interface

C.      System interface

D.      Thread handling interface

Ans: Runnable  interface

Which of the package contains abstract keyword ?

A.      Java.lang

B.      Java.util

C.      Java.io

D.      Java.system

Ans: Java.lang

Int i=6, j=7,k;

K=i++ +-- j

Cout<<k<<i<<j;

What will be the output of the above mentioned code?

A.      1276

B.      1376

C.      1367

D.      1266

Which one of the following is the unary operator?

A.      *

B.      +

C.      -

D.      All of the above

By default class variable is

• Member variable