What must a class do to implement an interface?

1274

Difference between new operator and class.forname().newinstance()?

1178

How are commas used in the intialization and iteration parts of a for statement?

1142

What restrictions are placed on the values of each case of a switch statement?

1059

What are the different class loaders used by jvm?

1147

Why a client should be multithreading? Explain.

1130

What are the different approaches to represent an inheritance hierarchy?

1113

Whats new with the stop(), suspend() and resume() methods in jdk 1.2?

1101

what are the advantages of JTA over JTS?

2286

Will the general public have access to the infobus apis?

1114

What classes of exceptions may be caught by a catch clause?

1075

Do we need to override service() method

1784

What is a class loader? What are the different class loaders used by jvm?

1155

What is the purpose of the wait() method?

1278

How to deploy Jar, War files in J2EE?

2732