Explain the term virtual machine?
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Can we start a thread twice in java?
Is it possible to write a regular expression to check if string is a number?
What is encapsulation in java?
Can we pass null as argument in java?
Marker interface means , interface which has no methods.Then what is the necessity of its usage.I read "it tells the compiler that it should be treated differently ". "It is used to store state of an object". But still am not clear.Please explain clearly.
Which is faster string or stringbuilder?
How many types of assembly languages are there?
What is a dynamic array in java?
explain System.out.println
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Why deletion in linkedlist is fast than arraylist?
What is method reference in java?
what do you mean by classloader?