What is a double vs float?
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How would you format a date in java? I.e. In the ddmmyyy format?
if arraylist size is increased from initial size what is the size of arraylist...suppose initial is 100 , if i add 101 element what is the size...
What is thread synchronization in java?
what is the difference between String s="hello"; and String s=new String("hello");?
Is java a virus?
What is the difference between throw and throws keywords?
What is procedure overloading?
Why can't we use static class instead of singleton?
when to use ArrayList and when to use HashMap in webApplication.
in a console we r giving java <class name> if r pressing enter where it'll goes
What is stream api in java8?
What is the default value of the local variables?