Answer Posted / mahesh

A class can extend an Abstract class but it can't extend an
interface.

Explain the protected field modifier?

1150

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What is stack explain?

1076

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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". } } }

1841

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What 4 doubled?

1026

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Name few java util classes introduced with java 8 ?

963

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What is a map? What are the implementations of map?

1148

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Why multiple inheritance is not supported by java?

1025

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Can we split string with in java?

1073

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Can we override the overloaded method?

1194

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Which method returns the length of a string?

1095

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What is java in simple terms?

1053

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what is server side caching?

2237

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What environment variables do I need to set on my machine in order to be able to run java programs?

1060

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What are the three best choices for a development environment?

1155

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Explain abstract class in java?

1127

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