Can you call a method on a null object?
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Does set allows null in java?
What do you mean by JVM?
what is the difference between static block and static method
What modifiers are used with a top level class?
What is java util?
What type of language is java?
What is the difference between Checked and Unchecked exception? Give some examples
What the difference is between execute, execute Query, execute Update?
If set accepts only one argument then how can it compare two objects to avoid duplicates
What are the 6 functions?
Explain wait() method of object class ?
I dont want to use serialzable in java is there any another concept so plz tell me