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51 / 120
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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52 / 120
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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53 / 120
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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54 / 120
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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55 / 120
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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56 / 120
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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57 / 120
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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58 / 120
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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59 / 120
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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60 / 120
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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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
