hi friends,

here i got 1 CSC placement paper and i'm posting it for you all. this year they have changed their pattern entirely, emphasis has shifted to java and programming. i do not remember all questions and these are based on memory of my friens and myself .

1. The width in bits of double primitive type in Java is --. Select the one correct answer.
1. The width of double is platform dependent
2. 64
3. 128
4. 8
5. 4
2.  What would happen when the following is compiled and executed. Select the one correct answer.

           class example {

          int x;

           i nt y;

          String name;

        public static void main(String args[]) {

         example pnt = new example();

         System.out.println("pnt is " + pnt.name + " " + pnt.x + " " + pnt.y);          

      }

}

3.  The program does not compile because x, y and name are not initialized.

1. The program throws a runtime exception as x, y, and name are used before initialization.
2. The program prints pnt is 0 0.
3. The program prints pnt is null 0 0.
4. The program prints pnt is NULL false.
5.  

4.Which of these lines will compile? Select all correct answers

short s = 20;

1. byte b = 128;
2. char c = 32;
3. double d = 1.4;;
4. float f = 1.4;
5. byte e = 0;

5.What is contained in the directory /proc?:

a. System information

b. Administrative procedures

c. Boot procedures

d. Documentation on your system   

6.                  Transactions per rollback segment is derived from[DBA] 
a. Db_Block_Buffers, 

  b. Processes,  

 c. Shared_Pool_Size,  

 d. None of the above

7.              These following parameters are optional in init.ora parameter file DB_BLOCK_SIZE, PROCESSES
a True, b False Ans : False