Interfaces and Abstract Classes -Java Programming MCQ Questions and Answers

import java.util.*;
class LOCALE_CLASS
{
    public static void main(String args[])
    {
        Locale obj = new Locale("HINDI") ;
        System.out.print(obj.getDisplayLanguage());
    }
}

class Output
{
    public static void main(String args[])
    {
  char a = '@';
        boolean x = Character.isLetter(a);
        System.out.print(x);
    }
}

class Output 
{
     public static void main(String args[]) 
     {
         double x = 3.14;  
         int y = (int) Math.floor(x);
         System.out.print(y);
     }
}

import java.util.*;
class LOCALE_CLASS
{
    public static void main(String args[])
    {
        Locale obj = new Locale("HINDI", "INDIA") ;
        System.out.print(obj.getDisplayLanguage());
    }
}

class Output 
{
    public static void main(String args[]) 
    {
        long start, end;   
        start = System.currentTimeMillis();
        for (int i = 0; i < 10000000; i++);
        end = System.currentTimeMillis();
        System.out.print(end - start);
    }
}

class Output 
{
    public static void main(String args[])
    {
        Double i = new Double(257.5);  
        Double x = i.MAX_VALUE;
        System.out.print(x);
    }
}