HP Placement Paper

1.Extending the class means

2.How many values does char of java has

3.Java program can be executed on any m/c How?

4.Utility used for dynamically changing the tables
a.vector b. hash table c. enumeration d. structures

5.What do you mean by synchronise?

6.if X & Y are objects X = Y means

7.Which action Java platform restricts on applets
a. Image viewing
b. Accept user i/p
c. write to system files
d. initialise date in browser

8. What is JDBC

9.What is OOPs

10. Java was initially code named as:
a)Oak b)green c)miller

11.) What is not true about the following statements in java.
a) it is compiled using javac compiler
b) the compiled files have .class extension.
c) such files cannot be transferred from one comp to another.
d) they use the java interpreter