Set - 5

Question 1 :

What is a native method?

Answer :

A native method is a method that is implemented in a language other than Java.

Question 2 :

Can a for statement loop indefinitely?

Answer :

Yes, a for statement can loop indefinitely. For example, consider the following: for(;;) ;

Question 3 :

What are order of precedence and associativity, and how are they used?

Answer :

Order of precedence determines the order in which operators are evaluated in expressions. Associatity determines whether an expression is evaluated left-to-right or right-to-left

Question 4 :

When a thread blocks on I/O, what state does it enter?

Answer :

A thread enters the waiting state when it blocks on I/O.

Question 5 :

To what value is a variable of the String type automatically initialized?

Answer :

The default value of a String type is null.