Answer Posted / subramanyam

IF an object is created for an class that object is not
used than the memory which is allocated to that objected to
be wasted ,the wastage of memory is called garbage
collection

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600

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548

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577

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Can a class have an interface?

557

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How to print an arraylist in java?

504

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567

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508

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682

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579

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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". } } }

1354

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Which is better stringbuilder or stringbuffer?

531

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Define a java class.

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