Answer Posted / mohd amir

It is not a keyword

Differentiate between run time error and syntax error.

1132

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Give any two differences between C++ and java.

1146

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Can we have multiple public classes in a java source file?

1192

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What is file in java?

1033

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What is the old name of java?

999

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What are the two ways in which thread can be created?

1052

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What do you mean by exception handling in Java?

1295

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Can a constructor be protected?

1087

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Difference between abstract and concrete class ?

1174

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Why do we need autoboxing in java?

998

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When a thread is executing a synchronized method , then is it possible for the same thread to access other synchronized methods of an object ?

1035

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What is the purpose of using break in each case of switch statement?

1027

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Can abstract class have private constructor?

943

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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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Can we create object of static class?

1025

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