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Q1 :Explain various interfaces used in Collection framework ? Q2:What are the main differences between array...

Q1 :Explain various interfaces used in Collection framework ?
Q2:What are the main differences between array and collection?
Q3: why using Generics ?(List three advantages )
Q4 :give an example of how Generics make a program more flexible?
Q5 :what is a raw types ? and how avoiding unsafe Raw Types ?
Q6 :What is the difference between FileNotFoundException and NoSuchElementException ?
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