Packages
- Which of this package is used for handling security related issues in a program?
-
View Hint View Answer Discuss in Forum
NA
Correct Option: C
java.security handles certificates, keys, digests, signatures, and other security functions.
- Which of this package is used for invoking a method remotely?
-
View Hint View Answer Discuss in Forum
NA
Correct Option: C
java.rmi provides capabilities for remote method invocation.
- What is the output of this program?
import java.lang.reflect.*;
public class Additional_packages_Example
{
public static void main(String args[])
{
try
{
Class object = Class.forName("java.awt.Dimension");
Constructor constructors[] = object.getConstructors();
for (int k = 0; k < constructors.length; k++)
System.out.println(constructors[k]);
}
catch (Exception e)
{
System.out.print("Exception");
}
}
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: C
Program prints all the constructors of ‘java.awt.Dimension’ package.
public java.awt.Dimension()
public java.awt.Dimension(int,int)
public java.awt.Dimension(java.awt.Dimension)
- What is the output of this program?
import java.lang.reflect.*;
public class Additional_package_Example
{
public static void main(String args[])
{
try
{
Class object = Class.forName("java.awt.Dimension");
Field fields[] = object.getFields();
for (int k = 0; k < fields.length; k++)
System.out.println(fields[k]);
}
catch (Exception e)
{
System.out.print("Exception");
}
}
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: D
Program prints all the data members of ‘java.awt.Dimension’ package
