What is scanner in java?
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What is difference between wait and notify in java?
Under what circumstances an object reference be cast to an interface reference?
System.out.println(101/14) what is the output? a)6 b)14 c)7.14 d)0
Is 0 a real number?
I need to know about complete topic in java's collections i with an examples
Detail discussions on JVM, memory management and garbage collector.
What is a method in java?
Does treeset allow null in java?
what is difference between abstraction and interface?
What is the transient keyword?
Can an unreachable object become reachable again?
Is static a singleton?