Answer Posted / ravikiran(aptech mumbai)

field variable is the one which can have different access
local variable access restict to method only

Can we declare an interface as final?

769

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How can the checkbox class be used to create a radio button?

743

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What's the difference between an abstract class and interface in java?

774

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How do you format in java?

770

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Explain garbage collection in java?

739

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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". } } }

1538

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Which list is sorted in java?

755

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What are the advantages of java inner classes?

767

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If a class is declared without any access modifiers, where can the class be accessed?

794

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Is a method a function?

783

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Can you use this() and super() both in a constructor?

723

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What is the difference between inheritance and encapsulation?

841

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How objects are stored in java?

745

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Which method you will use to create a new file to store some log data. Each time a new log entry is necessary, write string to the file in java ?

907

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What do you understand by java virtual machine?

913

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