1. C# is a native language of:
A.Java
B..Net
C.Visual Basic
2. What is IMP in Objective C
A.Implementation pointer
B.Important Pointer
C.Intended Pointer
3. The width in bits of double primitive type in Java is --.
1. The width of double is platform dependent
2. 64
3.128
4.8
5.4
4. What would happen when the following is compiled and executed. Select the one correct answer.
class example {
int x;
int y;
String name;
public static void main(String args[]) {
example pnt = new example();
System.out.println("pnt is " + pnt.name +
" " + pnt.x + " " + pnt.y);
}
}
1. The program does not compile because x, y and name are not initialized.
2. The program throws a runtime exception as x, y, and name are used before initialization.
3. The program prints pnt is 0 0.
4. The program prints pnt is null 0 0.
5. The program prints pnt is NULL false
5. Which of these lines will compile? Select all correct answers.
1. short s = 20;
2. byte b = 128;
3. char c = 32;
4. double d = 1.4;;
5. float f = 1.4;
6. byte e = 0;
6. What is contained in the directory /procedures?:
a. System information
b. Administrative procedures
c. Boot procedures
d. Documentation on your system
7. Transactions per rollback segment is derived from[DBA]
a. Db_Block_Buffer
b. Processes,
c. Shared_Pool_Size,
d. None of the above
8. These following parameters are optional in init.ora parameter file DB_BLOCK_SIZE, PROCESSES
a True, b False Ans : False
9. What is the purpose of different record methods
1) Record
2) Pass up
3) As Object
4) Ignore.
10. While running DOS on a PC, which command would be used to duplicate the entire diskette:
