Questions of Java Technology
1.Cache Algorithm
Answer:
a.LRUCache (least recently used )
b.FIFOCache
c.UnlimitedCache
2. Why is StringBuffer called mutable?
Answer: The String class is considered as immutable, so that once it is created a String object cannot be changed. If there is a necessity to make alot of modifications to Strings of characters then StringBuffer should be used.
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