71. Which of these stream contains the classes which can work on character stream?
72. Which of the following is the correct way of importing an entire package 'pkg'?
73. Why are generics used?
74. What will be the output of the following Java program?
import java.lang.reflect.*;
class Additional_packages
{
public static void main(String args[])
{
try
{
Class c = Class.forName("java.awt.Dimension");
Method methods[] = c.getMethods();
for (int i = 0; i < methods.length; i++)
System.out.println(methods[i]);
}
catch (Exception e)
{
System.out.print("Exception");
}
}
}
import java.lang.reflect.*;
class Additional_packages
{
public static void main(String args[])
{
try
{
Class c = Class.forName("java.awt.Dimension");
Method methods[] = c.getMethods();
for (int i = 0; i < methods.length; i++)
System.out.println(methods[i]);
}
catch (Exception e)
{
System.out.print("Exception");
}
}
}75. Which of these is a super class of wrappers Double and Float?
76. Can "abstract" keyword be used with constructor, Initialization Block, Instance Initialization and Static Initialization Block.
77. What will be the output of the following Java program?
class Output
{
public static void main(String args[])
{
int a = Character.MAX_VALUE;
System.out.print((char)a);
}
}
class Output
{
public static void main(String args[])
{
int a = Character.MAX_VALUE;
System.out.print((char)a);
}
}78. Which of these methods can be used to check whether the given value is a number or not?
79. Which of these method of Locale class can be used to obtain country of operation?
80. What will be the output of the following Java program?
class newthread implements Runnable
{
Thread t1,t2;
newthread()
{
t1 = new Thread(this,"Thread_1");
t2 = new Thread(this,"Thread_2");
t1.start();
t2.start();
}
public void run()
{
t2.setPriority(Thread.MAX_PRIORITY);
System.out.print(t1.equals(t2));
}
}
class multithreaded_programing
{
public static void main(String args[])
{
new newthread();
}
}
class newthread implements Runnable
{
Thread t1,t2;
newthread()
{
t1 = new Thread(this,"Thread_1");
t2 = new Thread(this,"Thread_2");
t1.start();
t2.start();
}
public void run()
{
t2.setPriority(Thread.MAX_PRIORITY);
System.out.print(t1.equals(t2));
}
}
class multithreaded_programing
{
public static void main(String args[])
{
new newthread();
}
}Read More Section(Interfaces and Abstract Classes)
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