Answer Posted / sunil kumar

Cloneable is a marker interface present in java.lang package. If we want to copy the object then we are using clone method by implementing our class from Cloneable interface.

Explain about the security aspect of java?

785

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What is the reason behind using constructors and destructors?

811

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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". } } }

1565

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How many bytes are there?

762

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Why can't you declare a class as protected?

820

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How the interruptible method gets implemented?

764

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Is call by reference possible in java?

744

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What is difference between static and abstract class?

775

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Name container classes in java programming?

821

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What is the list interface?

859

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What are peerless components?

853

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What is finally and finalize in java?

814

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What are the Class Libraries ?

817

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How many unicode characters are there?

810

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What’s a deadlock?

872

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