Answer Posted / ravikiran

front end is html or UI elements
back end is the database or persistent storage

What is a instance variable?

797

---

What is a lock or purpose of locks in java?

814

---

Can we create a constructor in abstract class?

788

---

What is a default constraint?

841

---

What does system out println () do?

799

---

Why string is immutable or final in java

872

---

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". } } }

1569

---

What is oop in java?

740

---

What is the use of a conditional inclusion statement in Java ?

836

---

Can we force garbage collector to run ?

798

---

If an object is garbage collected, can it become reachable again?

792

---

Which access specifier can be used with class ?

743

---

Explain about doubly linked list

840

---

What is the list interface in java programming?

821

---

What is mysql driver class name?

841

---