What are the types of arrays in java?
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What is a singleton class? Give a practical example of its usage.
What is the difference between this() and super() in java?
What is functional interface in javatpoint?
which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?
What is function and its uses?
What is an interface in java? Explain
Hi buddy, well i got that there is always a default constructor with abstract class. OK. But why not with interface? Thanks in advance.
What is use of map in java?
aabccdee Find the used alphabets as abcde ?
Explain the difference between runnable and callable interface in java?
What if static is removed from main method?
What are keywords give examples?