How do you declare an empty string?
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What is Vector?Can you elaborate how Vector is Thread safe?
Can we declare the static variables and methods in an abstract class?
What do you mean by light weight and heavy weight components?
Is 0 a real number?
What are the types of methodology?
Difference between doublesummarystatistics, intsummarystatistics and longsummarystatistics ?
What is append function?
whats string ?
why using interface interface ?
What is the significance of java packages?
What is a top level class in java?
diffrence b\w println() and printf()