Explain features of interfaces in java?
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What is object of class in java?
Where is stringbuffer stored?
Why unicode is important?
How to perform Singleton of the java class object on multi JVM?
What is the use of collections in java? How it is implemented in real time applications?
I have multiple constructors defined in a class. Is it possible to call a constructor from another constructor’s body?
What is use of static in java?
What happens when you assigned a 'double' value to a 'String'?
What is the type of lambda expression?
What is http client in java?
Write program to print Hello World and print each character address in that string and print how many times each character is in that string? Ex: H: 0 & 1 e:1 & 1 l :2,3,8 & 3 o:4,6 & 2 w:5 & 1 r: 7 & 1 d 9 & 1
a thread is runnable, how does that work? : Java thread