Answer Posted / dipil t t

We can achieve this in java by using Interface conscept.

What are the types of inner classes (non-static nested class) used in java?

1064

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How do you declare a variable?

1093

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What is linkedlist in java?

1001

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Can singleton class be serialized?

950

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Explain the importance of throws keyword in java?

999

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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". } } }

1802

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what is the difference between future and callable interface in java?

1234

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Are arrays immutable in java?

1085

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What are java packages? What's the significance of packages?

1331

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Can java cast null?

1038

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How to make object serializable in java?

985

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How does a cookie work in Servlets?

842

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What is difference overloading and overriding?

1170

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What is pre increment and post increment in java?

988

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Explain the difference between call by refrence and call by value?

1022

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