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Accenture TFA MCQ | Part 1

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By Astrio Jather

Question 1

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 Identify whether the below statement is True or False: The hierarchy of Reader/Writer class is character-oriented and InputStream/OutputStream class is byte-oriented

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Question 2

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While garbage collection the java run time system automatically calls ______________method.

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Question 3

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Choose all the statement(s) that are valid.

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Question 4

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Predict the output:

public class Topper
{
public static void check() {
	this.display();
		}
public static void display() {
	System.out.println("Welcome to Java");
		}
public static void main(String args []) {
	check();
	}
}

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Question 5

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Which of the following are not Java keyword?

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Question 6

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What will happen if you attempt to compile and run the following code?

Integer i=new Integer(15);
Long l=new Long (10);
System.out.println(i + l);
int check=1;
System.out.println(check + i);

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Question 7

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Predict the output:

class One
{
    void calculate(int a, int b)
    {
        System.out.println("Class One");
    }
}
 
class Two extends One
{
    @Override
    void calculate(int a, int b)
    {
        System.out.println("Class Two");
    }
}
 
class Three extends Two
{
    @Override
    void calculate(int a, int b) 
    {
        System.out.println("Class Three");
    }
}
 
public class Test 
{   
    public static void main(String[] args)
    {
        One one = new Two();
         
        one.calculate(10, 20);
         
        Two two = (Two) one;
         
        two.calculate(50, 100);
         
        Three three = (Three) two;
         
        three.calculate(100, 200);
    }
}
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Question 8

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On exceuting the following code predict the output

public class TestMain {
	public static void main(String args[ ])
	{
	try
	{
	int x=10;
	throw(new Exception("Throw new Exception"));
	}
	catch(Exception e)
	{
	System.out.print("Exception caught in catch block. ");
	return;
	}
	finally
	{
	System.out.println("Exception caught in finally block.");
	}
	}
	}

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Question 9

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String str= new String("Hello World");

Which of the following calls are valid?
(A) str.trim()
(B) str.replace('o', 'A')
(C) str.substring(3)
(D) str.toUppercase()
(E) str.setCharAt(1,'A')
(F) str.append("xyz")

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Question 10

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Select the true statement ?

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Question 11

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How do we change the state of an object ?

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Question 12

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How does the different section of an application communicate in an OO approach ?

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Question 13

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Select the principle that best describes the given scenario. An air-condition can be operated using the button or remote control.

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Question 14

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Select the benefits of OOP ?

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Question 15

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Select the multiplicity between passenger and train reservation ticket? What is the multiplicity of passenger ?

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Question 16

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The given snippet describes ________________-

    BEGIN
        DECLARE marks[10] 
        DECLARE number
        SET number TO 0
        FOR index=0 TO 9
 INPUT array[index]
        END FOR
        number= marks[0]
        FOR index=0 TO 9
                 IF marks[index] > number THEN
                      number =marks[index]
                 END IF
        END FOR  
        PRINT number
END

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Question 17

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_________ is not the exact code for solving the problem but it would give us an idea of how the problem is going to be solved.


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Question 18

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SPOT THE ERROR:

Observe the below algorithm to find the average of three numbers. 

Step1: Start

Step2: Get num1, num2, num3

Step3: Add num1, num2, num3 and store it in Sum

Step4: Average=sum%3

Step5: Display Sum and Average

Step6: Stop

Identify the incorrect step(if any)

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Question 19

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Carefully read the question and answer accordingly. From the list of input elements one element is taken during each iteration to find its corresponding position. This idea of sorting is said to be _______.

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Question 20

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Carefully read the question and answer accordingly. Which data structure is said to be linear data structure?

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Question 21

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What is the time complexity of below function?

void cal_fun(int m,int a[])

{

int i=0,j=0;

for(;i<m;++i)

       while(j<m && a[i] < a[j])

             j++;

}

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Question 22

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From the given options identify the appropriate algorithm that has the lowest worst-case complexity?

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Question 23

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Time complexity of an algorithm signifies the total time required by the algorithm to complete its execution with provided resources. State True or False.

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Question 24

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State true or false.

 Configuration management is important only during the coding phase

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Question 25

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The SRS document should be

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DFA Solutions

By Astrio Jather
  Question  1 Correct Mark 1.00 out of 1.00 Flag question Question text To secure the http messages in the API calls, its necessary to: Select one: a. All the above b. Use cryptography c. implement identity management d. avoid hardcoding any sensitive data in the messages Feedback The correct answer is: All the above Question  2 Correct Mark 1.00 out of 1.00 Remove flag Question text A team has completed 10 Sprints and moving to the 11th Sprint. Till Sprint 10, the team has achieved an average of 50 story points per sprint. The same is projected as their velocity for the upcoming sprints with the Client. What is this approach called? Select one: a. Velocity Driven Sprint Planning b. Velocity Driven Commitment c. Commitment Driven Velocity d. Commitment Driven Sprint Planning Feedback The correct answer is: Velocity Driven Sprint Planning Question  3 Incorrect Mark 0.00 out of 1.00 Remove flag Question text Jack is grooming himself to be a potential Product Owner. Kno...
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Data Formats ( XML & JSON ) XML AND JSON | Generate XSD for Persons

By Astrio Jather
  Generate XSD for Persons Generate XSD for the following XML. XYZ organization wants to store the details of persons in an xml file. The following scenario helps in designing the XML document. Here PersonList  is the root tag. PersonList contains the entry of each person with adhaarno, name, age and address. <?xml version="1.0"  encoding="UTF-8"?> <PersonList xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="PersonList.xsd">     <Person>         <adhaarno>414356782345</adhaarno>         <name>             <firstname>Zeenath</firstname>         </name>         <age>28</age>         <address>             <doorno...
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Accenture TFA MCQ | Part 2

By Astrio Jather
  Question  26 Incorrect Mark 0.00 out of 1.00 Flag question Question text Go-Will department store wants to automate few of its functionalities.From the below options identify the functional requirements of Go-Will department store Select one or more: a.  Generate Bill for the purchased Items   b.  Add Product Details   c.  System should be up and running 24/7   d.  Response for each button click should be within 3 seconds   Feedback The correct answers are: Generate Bill for the purchased Items, Add Product Details Question  27 Incorrect Mark 0.00 out of 1.00 Flag question Question text A website for Flight Booking was developed and given to the testing team for testing. It has various fields to enter the data, out of which one of the input field will take the birth year from the user ranging from 1980 to 2060. The boundary values for testing this field are? Select one: a.  1959, 1960, 1994, 1995 b.  0, 1959, 1960, 1961,...
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Unbounded Knapsack

By Astrio Jather
1. You are given a number n, representing the count of items. 2. You are given n numbers, representing the values of n items. 3. You are given n numbers, representing the weights of n items. 3. You are given a number "cap", which is the capacity of a bag you've. 4. You are required to calculate and print the maximum value that can be created in the bag without      overflowing it's capacity. Note: Each item can be taken any number of times. You are allowed to put the same item again                    and again. Input Format A number n v1 v2 .. n number of elements w1 w2 .. n number of elements A number cap Output Format A number representing the maximum value that can be created in the bag without overflowing it's capacity Constraints 1 <= n <= 20 0 <= v1, v2, .. n elements <= 50 0 < w1, w2, .. n elements <= 10 0 < cap <= 10 Sample Input 5 15 14 10 45 30 2 5 1 3 4 7 Sample Output 100 Solution: im...
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Accenture TFA Quiz | Part 2

By Astrio Jather
  Question  26 Correct Marked out of 1 Flag question Question text What will be the output of the following Java code? public class ApplicationTester { public static void main(String[] args) { int[] array = {11,22,33,44,55,11}; int searchNumber = 11, position=999; for(int index=0; index < array.length; index++) { if(searchNumber == array[index]) { position = index; } } System.out.println(position); } } Choose the most appropriate option. Select one: a.  0 b.  5   c.  1 d.  6 Feedback The correct answer is: 5 Question  27 Incorrect Marked out of 1 Flag question Question text Predict the line of code Abstract class Base1 { protected void getDetails() { System.out.println("Base method"); } public Abstract void demomethod(); } Abstract class Base2 extends Base1 { public Abstract void samplemethod(); } class Derived extends Base2 { //Line1 } Select one: ...
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Knights Tour

By Astrio Jather
1. You are given a number n, the size of a chess board. 2. You are given a row and a column, as a starting point for a knight piece. 3. You are required to generate the all moves of a knight starting in (row, col) such that knight visits       all cells of the board exactly once. 4. Complete the body of printKnightsTour function - without changing signature - to calculate and       print all configurations of the chess board representing the route      of knight through the chess board. Use sample input and output to get more idea. Note -> When moving from (r, c) to the possible 8 options give first precedence to (r - 2, c + 1) and                 move in clockwise manner to                explore other options. Input Format A number n A number row A number col Output Format All configurations of the chess board representing route of knights thro...
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Data Formats ( XML & JSON ) XML AND JSON | Generate XSD for Students

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  Generate XSD for Students   Generate XSD for the following XML. XYZ School wants to store the details of students in an xml file. The following scenario helps in designing the XML document. Here StudentList  is the root tag. StudentList contains the entry of each student with rollno, name, age, address and department. <?xml version="1.0" encoding="UTF-8"?> <StudentList  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xsi:noNamespaceSchemaLocation="StudentList.xsd">     <Student rollno="2017CSE0055">         <name>             <firstname>Savitha</firstname>         </name>         <age>20</age>         <address>             <doorno>35</doorno>     ...
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Zig Zag Pattern

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