What is the default value of an object reference declared as an instance variable?

1124

when a request is generated from apache tomcat 5.5 and goes to oracle 10g or mysql,,, how the oracle or mysql reads the request as apache is a web server and oracle 10g is application server? when the oracle 10g provides response, how the apche tomcat reads it???

2162

What do you mean by aop?

423

What is java developer skills?

980

What is spring dao?

414

What are the benefits of a jar file?

1024

How many threads does a core java have?

1070

Explain about asymmetric clustering?

925

Where pragma is used?

1054

How do you find the struts version being used in a project?

942

Which edition of java is used for web application?

921

How can default JVM be changed to other?

1032

What are the different id generating strategies using @generatedvalue annotation?

409

What are the major advantages of internal iteration over external iteration?

1045

What is the use of spring and hibernate?

458