What is null in java?

990

Why are swing components called lightweight components?

942

How to sort an array in java without using sort method?

888

What is the base class in java from which all classes are derived?

990

What is unidirectional and bidirectional?

369

What is cookie in java?

893

What are the advantages in the use of spring for application development?

950

What is the use of aop?

441

What is difference between opensession and getcurrentsession?

390

Which is good to use – constructor or setter-based dependency?

402

How to add Hibernate mapping file in hibernate configuration file?

504

What is the use of httpservletrequestwrapper?

1110

What are the kinds of polymorphism?

1107

Given the request path below, which are context path, servlet path and path info?

1062

What is package private scope in java?

956