Daily Exam Programmer 30-09-2024

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Q 1:  ERD stands for
(1) Entity relationship diagram
(2) Exit related diagram
(3) Entity relationship design
(4) Exit related design
Correct Answer: Entity relationship diagram

Q 2: Which is not characteristic of a good SRS ?
(1) Correct
(2) Complete
(3) Consistent
(4) Brief
Correct Answer: Brief

Q 3: Outcome of requirements specification phase is
(1) Design Document
(2) SRS Document
(3) Test Document
(4) None of the above
Correct Answer: SRS Document

Q 4: The basic concepts of ER model are :
(1) Entity and relationship
(2) Entity, effects and relationship
(3) Relationships and keys
(4) Entity, relationship and attribute
Correct Answer: Entity, relationship and attribute

Q 5: What is printed by the following code fragment?
int []a = (0,1,2,3,4,5,6);
System.out.println(a.length);
(1) 6
(2) 5
(3) 7
(4) 8
Correct Answer: 7

Q 6: How would you declare and initialize an array, palette of Color objects of size 6?
(1) Color palette = new color [5];
(2) Color palette [6].
(3) Color [5] palette;
(4) Color [] palette = new Color[6]
Correct Answer: Color [] palette = new Color[6]

Q 7:  The documentation of a class lists a method castTointArray that has a double array as a formal parameter and returns an array of integers. What is the signature of the method?
(1) public int castTointArray (double a)
(2) public [] castTointArray (double a)
(3) public void cast TointArray (double []a)
(4) public int[] cast TointArray (double []a)
Correct Answer: public int[] cast TointArray (double []a)

Q 8:

From the following Java code determine the
attributes of the class student:
class student
{
string name;
int marks;
}
public static void main()
{
student S1=new student();
student S2=new student();

}

(1) Only name
(2) Both name and marks
(3) Only S1
(4) Both SI and S2
Correct Answer: Both name and marks

Q 9:

You read the following statement in a Java program that compiles and executes. submarine.dive(depth);

What can you say for sure?

(1) dive must be the name of an instance field.
(2) dive must be a method
(3) depth must be an int
(4) submarine must be the name of a class
Correct Answer: dive must be a method

Q 10:

What will be the output of the program?
class A
{

int x=10;

public void assign(int x)

{

x=x;

System.outprintln(this.x);

}

public static void main (String [] args)

{

A ob=new A():

ob.assign(0);

}

}

(1) 10
(2) 0
(3) No output
(4) Compile Time Error
Correct Answer: 10