Syntax of creating multiple threads in java

Question

Question 1) What do you mean by string constrictor? Write down the syntax to determine string length of any string

Question 2) Explain it in detail:

(a) Package and Interface.

(b) TCP/IP server socket'

Question 3) Write down the syntax of interface component Text Area? How events can handle by Actionlistener?

Question 4) Write a program using Java Applets to show the string 'Hello good morning"? Explain that how Exception handling will be used in this program?

Question 5) Distinguish Socket Vs Remote Method invocation Programming?

Question 6) Write a program in Java to create factorial of given number using recursive function?

Question 7) Describe the thread in detail? Write down the syntax of creating multiple threads?