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Virtusa Placement Questions & Answers :: Virtusa

127.02K

Tot. Mock Test: 3


Total Qs: 119+

NA
SHSTTON
66
Solv. Corr.
153
Solv. In. Corr.
219
Attempted
0 M:0 S
Avg. Time

51 / 119

Choose the correct option.

Which interface does javutil.Hashtable implement?


AJavutil.Map

BJavutil.List

CJavutil.HashTable

DJavutil.Collection

Answer: Option A

Explanation:

Here is no explanation for this answer

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NA
SHSTTON
55
Solv. Corr.
67
Solv. In. Corr.
122
Attempted
0 M:0 S
Avg. Time

52 / 119

Choose the correct option.

SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME
FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID;
In the statement, which capabilities of a SELECT statement are performed?


ASelection, projection, join

BDifference, projection, join

CSelection, intersection, join

DIntersection, projection, join

EDifference, projection, product

Answer: Option A

Explanation:

Here is no explanation for this answer

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NA
SHSTTON
112
Solv. Corr.
100
Solv. In. Corr.
212
Attempted
0 M:0 S
Avg. Time

53 / 119

Choose the correct option.
class ArrayTest {
public static void main(String[] args) {
int[][] a1 = {{1,2,3},{4,5,6},{7,8,9,10}};
System.out.print(a1[0][2]+","+a1[1][0]+","+a1[2][1]);
}
}

APrints: 3, 4, 8

BPrints: 7, 2, 6

CRun-time error

DCompile-time error

Answer: Option A

Explanation:

Here is no explanation for this answer

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NA
SHSTTON
101
Solv. Corr.
93
Solv. In. Corr.
194
Attempted
1 M:51 S
Avg. Time

54 / 119

What will happen when you try to compile and run this code?
public class TGo implements Runnable{
 public static void main(String argv[]){
         TGo tg = new TGo();
         Thread t = new Thread(tg);
         t.start();
        }
        public void run() {
         while(true) {
   Thread.currentThread().sleep(1000);
                        System.out.println("looping while");
                }
        }
}

ACompilation and no output

BCompilation and repeated output of "looping while"

CCompilation and single output of "looping while"

DCompile time error

Answer: Option B

Explanation:

Here is no explanation for this answer

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NA
SHSTTON
55
Solv. Corr.
130
Solv. In. Corr.
185
Attempted
0 M:0 S
Avg. Time

55 / 119

Choose the correct option.

A method is declared to take three arguments. A program calls this method and passes only two arguments. What is the result?


ACompilation fails.

BThe third argument is given the value null.

CThe third argument is given the value zero.

DAn exception occurs when the method attempts to access the third argument.

Answer: Option A

Explanation:

Compilation fails.

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NA
SHSTTON
25
Solv. Corr.
48
Solv. In. Corr.
73
Attempted
0 M:0 S
Avg. Time

56 / 119

Which is a valid definition of an interface called Transportable given another valid interface, Movable?


Aclass Movable extends Transportable { /*…*/ }

Binterface Transportable extends Movable { /*…*/ }

Cclass Movable implements Transportable { /*…*/ }

Dinterface Transportable implements Movable { /*…*/ }

Answer: Option B

Explanation:

Here is no explanation for this answer

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NA
SHSTTON
39
Solv. Corr.
72
Solv. In. Corr.
111
Attempted
0 M:0 S
Avg. Time

57 / 119

Choose the correct option.

Evaluate this SQL statement:
SELECT employee_id, e.department_id, department_name, salary
FROM employees e, departments d
WHERE e.department_id = d.department_id;

Which SQL statement is equivalent to the above SQL statement?


ASELECT employee_id, department_id, department_name, salary FROM employees WHERE department_id IN (SELECT department_id FROM departments);

BSELECT employee_id, department_id, department_name, salary FROM employees NATURAL JOIN departments;

CSELECT employee_id, d.department_id, department_name, salary FROM employees e JOIN departments d ON e.department_id = d.department_id;

DSELECT employee_id, department_id, department_name, salary FROM employees JOIN departments USING (e.department_id, department_i;

Answer: Option C

Explanation:

Here is no explanation for this answer

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NA
SHSTTON
50
Solv. Corr.
27
Solv. In. Corr.
77
Attempted
0 M:0 S
Avg. Time

58 / 119

Which statement is true?


AAn abstract class can be extended by an interface.

BAn interface CANNOT be extended by another interface.

CAn interface can be extended by an abstract class.

DAn abstract class can be extended by a concrete class.

Answer: Option D

Explanation:

Here is no explanation for this answer

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NA
SHSTTON
104
Solv. Corr.
110
Solv. In. Corr.
214
Attempted
0 M:7 S
Avg. Time

59 / 119

Choose the correct option.

In which three cases would you use the USING clause? (Choose three.)


AYou want to create a nonequijoin.

BThe tables to be joined have multiple NULL columns.

CThe tables to be joined have columns of the same name and different data types.

DThe tables to be joined have columns with the same name and compatible data types.

EBoth C & D

Answer: Option E

Explanation:

Here is no explanation for this answer

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NA
SHSTTON
70
Solv. Corr.
128
Solv. In. Corr.
198
Attempted
0 M:23 S
Avg. Time

60 / 119

What can directly access and change the value of the variable name?
package test;
class Target {
 public String name = "hello";
}

Aany class

Bonly the Target class

Cany class in the test package

Dany class that extends Target

Answer: Option C

Explanation:

Here is no explanation for this answer

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Tags: Virtusa


Here is the list of questions asked in Online Aptitude Test for Virtusa Virtusa online arithmetic test. Practice Virtusa Written Test Papers with Solutions and take Q4Interview Virtusa Online Test Questions to crack Virtusa written round test. Overall the level of the Virtusa Online Assessment Test is moderate. Only those candidates who clear the written exam will qualify for the next round, so practic all the questions here and take all the free tests before going for final selection process of Virtusa