How to declare an arraylist in java?
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how to accept integer array in java
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 a null point?
What is a vararg?
i would like to attend for an interview of datalab technologies company i want to know the pattern of imnterview.
What is the significance of listiterator?
What is the difference between Grid and Gridbaglayout?
What are E and PI?
Have you ever used hashtable and dictionary?
Why is singleton instance static?
What are different type of access modifiers?
where is .equals() method and how is it different from == operation <giving some confusing implementation> Is hashing related to these?