Java Programming Practice Test 4

1. Where is String Pool stored?

2. Does code Segment loads the java code?

3. Which of these exceptions will be thrown if we declare an array with negative size?

4. Which of these classes is used for input and output operation when working with bytes?

5. Classes and Methods are stored in which space?

6. Which of these class is used to read and write bytes in a file?

7. Which of these is a super class of wrappers Byte and short wrappers?

8. Which of these classes can return more than one character to be returned to input stream?

9. What will be the output of the following Java code?

 
    class output 
    {
        public static void main(String args[])
        {
           StringBuffer s1 = new StringBuffer("Hello World");
           s1.insert(6 , "Good ");
           System.out.println(s1);
        }
   }

10. What will be the output of the following Java code?

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