Difference between Preemptive scheduling vs. Time slicing?
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What do you understand by classes in java?
What is the default value of an object reference declared as an instance variable?
What is byte value?
what is the difference between HashMap And HashTable?
They had given one progam final HashMap hm=new HashMap(); public void show() { hm.put("name",value); } in this prg here the final hashtable value can be changed in put method,its the prg run?
Q) I have a ArrayList object, in that object i have added 5 integer values, 5 float values, 5 string values. Now question is how can delete particular type of data ( i.e all int values or all float values or string values) in that list object at a time?
How does serialization work
Why is java logo a cup of coffee?
Why set do not allow duplicates in java?
What is java used for?
how to open and edit XML file in Weblogic???
Every class extends object but why it is not possible for every object to invoke clone() method. ideally protected methods should be accessible from sub classes. isn't it?