Answer Posted / dijesh

hashmap is unsynchronised and hash table is
synchronised.....hashmap permits null...but hashtable does
not.

What is the right data type to represent a price in java?

574

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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". } } }

1357

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If you do not want your class to be inherited by any other class. What would you do?

566

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How do generics work in java?

524

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How can a gui component handle its own events?

600

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why are wait(), notify() and notifyall() methods defined in the object class? : Java thread

557

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Can we write method inside a method in java?

531

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How big is a 64 bit float?

542

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When can we say that threads are not lightweight process in java?

598

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Can I declare class as static or private?

547

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What does int argc char * argv [] mean?

524

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How java is similar to c?

591

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Explain about complier design(phases)

632

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Can you explain the private protected field modifier?

576

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What is an example of character?

559

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