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 Categories >> Software >> Java Related >> Java J2EE
 
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Question Asked @ Answers Views     Select
String is mutable or immutable?    1  13
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  11
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
Why use POJO when I can use hashmap    0  20
Urgent recruitment in CTS for JAVA .Experience 3 to 10 years.    1  39
difference between ¬†ejb,struts,hibernate,spring and jsp    0  38
what is container? infosys   1  110
What is aggregation? cap-gemini   0  67
What is design pattern and there types? cap-gemini   1  58
How do you implement polymorphism in our day to day life? cap-gemini   0  78
Explain JSP life cycle cap-gemini   0  44
What is access modifiers? cap-gemini   0  42
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Un-Answered Questions
 
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In DAO we are writting sql queries , how it is possible with creating and closing database connections. 300
can we write two same methods in outer class and innerclass. 392
where the static methods will live ,on stack ? can you explain brefly 263
How to determine SGA site? 372
How messaging services are done, before release of JMS? 294
Can explain about the validations and in your project where did u used the validations? 1505
How to implement a multithreaded applet? 618
Can we call virtual funciton in a constructor ? 384
Explain the architectural relationship between JavaBeans and JTA? 572
explain the concept of virtual method invocation in polymorphism in detail? 350
how to one war file class to another war file class? 368
whay java does not support bass by reference 507
what is interface in java ?can you explain with simple example?and what is the difference between abstract and interface? 395
Describe responsibilities of Activator? 315
What is aggregation? 67
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