Is string is a data type?
Can an interface be defined inside a class?
Garbage collection in java?
What are serialization and deserialization?
Which package has light weight components in java programming?
Is Java Platform Independent if then how?
What is passing parameters in java?
Is the empty set a singleton?
What is a boolean output?
Explain exception chaining in java?
What do you understand by a Static Variable?
I have one Shopping cart application, i that i have selected some items, while clicking submit button by mistake i have clicked twice or trice, that time items are selected twice or trice. Actually i want only one copy of items but its selected twice or trice. So how can we avoid this problem?
How can we handle runtime exceptions? write one sample program? Can we write runtime exceptions beside the throws key word? if yes write sample program?