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#1. Which of those doesn’t have an index based structure?
#2. Java.util.Collections is a:
#3. Methods such as reverse, shuffle are offered in:
#4. Which of those allows duplicate elements?
#5. Which allows the storage of a null key and null values?
#6. Which operator is used to multiply numbers?
#7. Can variables be used in Java without initialization?
#8. Which keyword is used to import a package from the Java API library?
#9. Which statement is used to stop a loop?
#10. Can a class in java be inherited from more than one class?
