Explain about narrowing conversion in java?
How do you know if a value is nan?
int a=1; float b=1.0; System.out.println(a==b);
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What are Font and FontMetrics classes?
What are java packages?
What is tochararray in java?
Is array size fixed in java?
What initialize variables?
Why arraylist is not synchronized in java example?
Is logger a singleton?
What are the kinds of polymorphism?
Can a class have a static inner class?
Explain the hierarchy of java exception classes?