What is namespace in java?
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What is the difference between the reader/writer class hierarchy and the inputstream/outputstream class hierarchy in java programming?
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?
What is the length of a string?
Can we create an object if a class doesn't have any constructor ( not even the default provided by constructor ) ?
What are the super most classes for all the streams?
What is the difference between pass by reference and pass by pointer?
system.out.println(1 + 3);
what is interface in java? Explain
What is java volatile?
What is static class
Explain pass by reference and pass by value?
How do you take thread dump in java?