Question: Question 4 Identify a Java collection with the following properties (a) Allows duplicate elements to be stored and allows null elements. (b) Does not allow

Question 4 Identify a Java collection with the following properties (a) Allows duplicate elements to be stored and allows null elements. (b) Does not allow duplicate elements to be stored but allows null elements. (c) Inserts elements in sorted order but does not allow random access to elements. (d) Allows random access to elements and stores data in key-value pairs. (e) Ensures thread safety and does not store data in key-value pairs. [1 mark] [1 mark] [1 mark] [1 mark] [1 mark] TOTAL MARKS: 5 marks

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