Why do we use bufferedreader?
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what is the difference between HashMap And HashTable?
Can we place the any object to key attribute of HashMap<key,value>?
What is the method overriding?
Explain about abstract classes in java?
What is the preferred size of a component?
Why packages are used?
What is keyword and identifier?
What is the difference between path and classpath variables?
Differentiate between == and equals().
Difference between hashCode() & equals()?
What is thread safe in java?
What is a parameter example?