Tag: programming languages

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Questions Related to programming languages

Multiple choice technology programming languages

Within a web.xml which maps the servlet com.tcs.login.LoginServlet to the url /utils/LoginServlet

  1. <servlet> <servlet-name>login</servlet-name> <servlet-class>com.tcs.login.LoginServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>login </servlet-name> <url-pattern>/utils/L

  2. <servlet-mapping> <servlet-class>com.tcs.login.LoginServlet </servlet-name> <url-pattern>/utils/LoginServlet</url-pattern> </servlet-mapping>

  3. <servlet> <servlet-class>com.tcs.login.LoginServlet </servlet-name> <url-pattern>/utils/LoginServlet</url-pattern> </servlet>

  4. <servlet> <servlet-name>login</servlet-name> <servlet-class>com.tcs.login.LoginServlet</servlet-class> <servlet-mapping> <servlet-name>login </servlet-name> <url-pattern>/utils/LoginServlet</u
Reveal answer Fill a bubble to check yourself
A Correct answer
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Multiple choice technology programming languages

How to define a session time out of 10 minutes in web.xml

  1. <session-config> <session-timeout>10</session-timeout> </session-config>

  2. <session-config> <session-timeout>600</session-timeout> </session-config>

  3. <session-time-config> <session-timeout>600</session-timeout> </session-time-config>

  4. <session-config> <session-invalid-time>60</ session-invalid-time> </session-config>
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A Correct answer
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Multiple choice technology programming languages

Which is the correct definition of servlet init parameter in web.xml?

  1. <servlet> <servlet-name>login</servlet-name> <servlet-class>com.tcs.login.LoginServlet</servlet-class> <init-param> <param-name>mailId</param-name> <param-value>[email protected]</param-val

  2. <servlet> <servlet-name>login</servlet-name> <servlet-class>com.tcs.login.LoginServlet</servlet-class> </servlet> <init-param> <param-name>mailId</param-name> <param-value>[email protected]

  3. <servlet> <servlet-name>login</servlet-name> <servlet-class>com.tcs.login.LoginServlet</servlet-class> </servlet> <servlet-init-param> <param-name>mailId</param-name> <param-value&

  4. <servlet> <servlet-name>login</servlet-name> <servlet-class>com.tcs.login.LoginServlet</servlet-class> <servlet-init-param> <param-name>mailId</param-name> <param-value>[email protected]</
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Multiple choice technology programming languages

package polymorphism;class TestPolymorphismSuper1 { String name; TestPolymorphism2 testPoly() { TestPolymorphism2 TS = new TestPolymorphism2(); TS.name ="tcs"; return TS; }}public class TestPolymorphism2 extends TestPolymorphismSuper1{ TestPolymorphism2 testPoly() { TestPolymorphism2 TSub = new TestPolymorphism2(); TSub.name = "UX"; return TSub; } public static void main(String[] args) { TestPolymorphismSuper1 TSuper = new TestPolymorphism2(); TSuper.testPoly(); System.out.println(TSuper.name); }}

  1. UX

  2. tcs

  3. null

  4. Exception
Reveal answer Fill a bubble to check yourself
C Correct answer
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Multiple choice technology programming languages

package polymorphism;class TestSup { static int p = 100;}public class TestPoly extends TestSup { public static void main(String[] args) { TestPoly TP = new TestPoly(); TP.p = 400; TestSup TS = new TestSup(); TS.p = 100; TestSup TSP = new TestPoly(); TSP.p = 500; System.out.print("TestSup = " + TestSup.p); System.out.print(" ,TestPoly = " + TestPoly.p); System.out.print(" ,TP = " + TP.p); System.out.print(" ,TS = " + TS.p); System.out.print(" ,TSP = " + TSP.p); }}

  1. TestSup = 100 ,TestPoly = 400 ,TP = 500 ,TS = 500 ,TSP = 500

  2. TestSup = 500 ,TestPoly = 500 ,TP = 500 ,TS = 500 ,TSP = 500

  3. TestSup = 100 ,TestPoly = 400 ,TP = 400 ,TS = 100 ,TSP = 500

  4. TestSup = 500 ,TestPoly = 400 ,TP = 500 ,TS = 100 ,TSP = 400
Reveal answer Fill a bubble to check yourself
B Correct answer
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Multiple choice technology programming languages

package polymorphism;class TestSuperr { double TestPoly(long a, float b, int c) { return ((a + b) * c); }}public class TestPolym extends TestSuperr { double TestPoly(long a, double b, int c) { return (a + b + c); } public static void main(String[] args) { TestSuperr TSU = new TestPolym(); double p = TSU.TestPoly(11, 9, 10); System.out.print("p = " + p); p1 = TSU.TestPoly(11, 9.0, 10); System.out.print(" ,p1 = " + p1); }}

  1. p = 200.0, p1 = 30.0

  2. p = 200.0, p1 = 200.0

  3. p = 30.0, p1 = 30.0

  4. Compiler Error
Reveal answer Fill a bubble to check yourself
D Correct answer
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Multiple choice technology programming languages

package polymorphism; class TestSupe { static int p = 100; } public class TestPoly1 extends TestSupe { static int p =1000; public static void main(String[] args) { TestPoly1 TP = new TestPoly1(); TP.p = 400; TestSupe TS = new TestSupe(); TS.p = 300; TestSupe TSP = new TestPoly1(); TSP.p = 500; System.out.print("TestSupe = " + TestSupe.p); System.out.print(" ,TestPoly = " + TestPoly1.p); System.out.print(" ,TP = " + TP.p); System.out.print(" ,TS = " + TS.p); System.out.print(" ,TSP = " + TSP.p); } }

  1. TestSupe = 300 ,TestPoly = 400 ,TP = 400 ,TS = 300 ,TSP = 500

  2. TestSupe = 500 ,TestPoly = 400 ,TP = 400 ,TS = 500 ,TSP = 500

  3. TestSupe = 500 ,TestPoly = 400 ,TP = 400 ,TS = 300 ,TSP = 500

  4. TestSupe = 300 ,TestPoly = 400 ,TP = 500 ,TS = 500 ,TSP = 500
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B Correct answer
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Multiple choice technology programming languages

What is a method's signature?

  1. The signature of a method is the name of the method the type of its return value.

  2. The signature of a method is the name of the method and the names of its parameters.

  3. The signature of a method is the name of the method and the data types of its parameters.

  4. The signature of a method is the name of the method, its parameter list, and its return type.
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation