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 Categories >> Software >> Java Related >> Java J2EE >> Core Java
 
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Question Asked @ Answers Views     Select
String is mutable or immutable?    1  12
What is OOPs & Why?    0  8
In collection sorting comparable and comparator interface will be used..but why this two interfaces required..two will work same purpose so why there are two interfaces instead of one?when to use comparator and when to use comparable?    0  10
Why method overloading and method overriding required in java?    0  8
Why Static variable required in java?For ex,class A { static int a; int b; } Why static is required?    0  7
solve this is my problem byte a=40,byte b=50 both add value is 90 this is with in range of byte... byte range is -128to 127.... why this pgm gives error like type mismatch.... package javapgms; public class byte1 { public static void main(String args[]) { byte a=40,b=50; byte c=a+b; System.out.println(c); } } note : dont use int k... a,b,c are in byte range... mind it..    1  24
What is aggregation? cap-gemini   0  67
What is design pattern and there types? cap-gemini   1  57
How do you implement polymorphism in our day to day life? cap-gemini   0  77
Explain JSP life cycle cap-gemini   0  44
What is access modifiers? cap-gemini   0  42
What is OOPS Concept? cap-gemini   1  94
How to prevent to create multiple objects of a java class? tcs   2  188
public class Test { public static void main(String ar[]) { Integer a = 10; Integer b =10; Integer c = 145; Integer d = 145; System.out.println(a==b); System.out.println(c==d); } } igate   7  331
why abstract class does not have object creation value-labs   6  534
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Un-Answered Questions
 
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v-model life cycle 235
why did you choose your career in IT? 276
why we use merge option in hybernate pls give a ex snippet 200
How to add and remove nodes in Jtree? 500
What is the SimpleTimeZone class? 391
can we write two same methods in outer class and innerclass. 392
Any one can explain how the inerface uses in java. give with example. 224
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<RegistryKey> 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". } } } 189
What is stored procedure. How do you create stored procedure ? 268
why java uses class level type casting ? 589
how to prepare for IT Officers Interview in Banks 228
FOR EXAMPLE WE R HAVING TWO LIST ELEMENTS ..BOTH LISTS CONTAINS ID,NAME,PLACE ..I NEED TO COMPARE BOTH IDS IN TWO LISTS,IF ID'S R SAME MEANS WE HAVE ADD THE DETAILS(LIKE NAME,PLACE) TO MAP...HOW IS POSSIBLE ?CAN ANY ONE SUGGEST? 428
Realized? 343
I am unable to find or learn about print command. I have a graphical program in core java in applet but i want to give print command but i have coding for that so if anyone know about this plz mail me on avdhesh_chauhan007@yahoo.co.in 300
please send me hr interview questions in it industry 282
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