How a string is stored in memory?
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What is the significance of listiterator?
how can you take care of mutual exclusion using java threads? : Java thread
Does garbage collection occur in permanent generation space in jvm?
List two java ide’s?
In how many ways we can do exception handling in java?
what is the difference between String and StringBuffer classes?
How TreeMap sorts the objects inside it?? suppose if have include one employee object and one car object. On what basis it will sort?
What is the importance of hashcode() and equals() methods?
suppose we have an interface & that interface contains five methods. if a class implements that interface then we have to bound that to give tha definition of all five methods in that class. If we declare that class as abstract then can we call only two methods to give the deinition of that method & i don't want to give the definition of all the methods? can it possible
what is request dispatcher and how does it work?
What exactly is java?
Explain aggregation in java?