Answer Posted / devesh dashora

null interface is such which have no abstract methods
declaration in interface definition. For Ex. Clonable
interface.

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1186

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What is close method? How it's different from Finalize & Dispose?

1060

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Is there any way to find whether software installed in the system is registered by just providing the .exe file? I have tried the following code but its just displaying the directory structure in the registry. Here the code : package com.msi.intaller; import java.util.Iterator; import ca.beq.util.win32.registry.RegistryKey; import ca.beq.util.win32.registry.RootKey; public class RegistryFinder { public static void main(String... args) throws Exception { RegistryKey.initialize(RegistryFinder.class.getResource("jRe gistryKey.dll").getFile()); RegistryKey key = new RegistryKey(RootKey.HKLM, "Software\\ODBC"); for (Iterator subkeys = key.subkeys(); subkeys.hasNext();) { RegistryKey subkey = subkeys.next(); System.out.println(subkey.getName()); // You need to check here if there's anything which matches "Mozilla FireFox". } } }

1798

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What is the point of polymorphism java?

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What is the difference between keyword and identifier?

1023

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959

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Explain creating threads by extending thread class ?

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What’s the difference between unit, integration and functional testing?

1101

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