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Each subclass ________ state (in the form of variable declarations) from the superclass
Skill/Topic: InheritanceA) Inherits
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Open Excel sheet in Java
My java code needs to open an excel sheet and import data from the excel sheet. How can do that?
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System.out.println(Float.parseFloat(x));
it gives infinity.
so, how to catch it?
">How to check infinity value ? i took very large number as string when i cast to float it gives infinity value. how to check at runtime or how to catch it?ex : String x = "111111111111111111111111111112222222222222222222222222222112222";System.out.println(Float.parseFloat(x));it gives infinity.so, how to catch it?
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What does final parameters mean in a method.does a innerclass only access final parameters from the parameter list if its defined inside a method.Code:type methodA(final int parm1,int parm2){class inner{// -- is onlt parm1 accessible or parm2 is also accessible}}
I did not check it in a JVM but even i can decide which is accessible. I wanna know the cocept of final parameters.
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What are covariant return types?
A method in a subclass returning an object whose type is a subclass of the type returned by the method with the same signature in the superclass.
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Java Interview Questions
Ans