What is immutable class in java?
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Can you extend singleton class?
What is general methodology?
Which method is used to find that the object is exited or not?
Why are generics used?
What is the size of arraylist in java?
What do you mean by collectors in java 8?
What are keywords and reserved words in java?
How many bytes is 255 characters?
Can we rethrow the same exception from catch handler?
can u handle an error if u write Thowable in the catch class lise try { some errorneous code }catch(Throwable e){ ...}
What are concepts of OOPS and how are they implemented in Java?
What are singleton services?