Object Questions on Java Programming

Solapur University MCA (Semester-III) Paper on Java Programming March 2019

 

Sr. No. Question
1 Java source code is compiled into ______

(a)    .Exe

(b)   .Obj

(c)    Byte code

(d)   Dynamic Library

2 A subclass can all a constructor method defined by its super class by use of the keyword

(a)    Static

(b)   Super

(c)    Base

(d)   Construct

3 When does method overriding is determined?

(a)    At run time

(b)   At compile time

(c)    At coding time

(d)   At load time

4 _________ are small java programs developed for internet applications.

(a)    Applet

(b)   AWT

(c)    Both (a) & (b)

(d)   None of these

5 _______ is the default package of Java.

(a)    Java.lang

(b)   Java.io

(c)    Java.awt

(d)   All of these

   
6 Thread priority in Java is _______

(a)    Integer

(b)   Float

(c)    Double

(d)   Long

7 An interface can extend another interface.

(a)    True

(b)   False

8 _______ is a super class of predefined and user-defined classes.

(a)    String

(b)   Object

(c)    StringBuilder

(d)   None of these

9 _________is a default layout in a AWT

(a)    Border layout

(b)   Grid layout

(c)    Flow layout

(d)   Button layout

10 The prepare Call() method executes a simple query and returns a single Result Set object.

(a)    True

(b)   False

   
11 ______ method is used to execute the DML queries.

(a)    Execute

(b)   Execute update

(c)    Execute query

(d)   Execute batch

12 Which of the following is NOT the thread class method?

(a)    Start()

(b)   Run()

(c)    Wait()

(d)   Terminate()

13 _____ method is used to destroy the objects created by the constructor.

(a)    Final()

(b)   Destroy()

(c)    Finalize()

(d)   Terminate()

 14 Applet can call init() method multiple times during its life cycle

(a)    True

(b)   False

   
  Published on 28th Sept 2021
   

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