Answer Posted / mariyappan

overloading is the process of defining the same function
with different parameters.which can be defined within class.
overriding is the process of defining the function name in
the more than one classes.

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". } } }

1760

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What are the differences between throw and throws?

1035

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There are two classes named classa and classb. Both classes are in the same package. Can a private member of classa can be accessed by an object of classb?

1439

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What do you meant by active and passive objects?

1027

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What is parsing in grammar?

982

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What are the parts of a method?

936

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How do you use wildcards?

992

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In a container there are 5 components. I want to display the all the components names, how will you do that one?

1003

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Which data type is class in java?

963

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What are JVM.JRE, J2EE, JNI?

1061

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Is hashset ordered java?

1041

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Explain about public and private access specifiers?

982

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What is the byte range?

987

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2) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?

2246

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Why do we use threads in java?

1061

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