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What is the difference between a Java developer and Java designer?
janbaskittraining
- Mar 11th, 2016
What exactly does a Java developer do? On a typical day, you would be doing one or a few of the following tasks that are part of the Software Development Life Cycle (SDLC): Gather requirements. ...
Sukhrob
- Dec 24th, 2015
Java Developers, the ones who create different programs using Java Prog. Language.
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What is the use of interface in realtime java project ?
Manjunath_7_89
- Mar 25th, 2016
Interface is majorly supported for IS-A relationship ie; Inheritance. Writing an interface is similar to writing a class. But a class describes the attributes and behaviours of an object. And an inter...
meena
- Feb 16th, 2016
Consider a construction of a building. The basic entire PLAN of the building I what an INTERFACE does. Next, the implementation of that PLAN is done by CONCRETE methods. If some of the work is done and still some is left is what ABSTRACT method/class does.
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If there are multiple If-else, what is the alternative algorthim we can use apart from using switch?
Prashant Shingne
- Sep 9th, 2016
We can use OOPS Concept run-time binding to call expected functionality. No need of if clause, provided everything is represented in objects.
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what is difference between object and Premitive data
Parag jain
- Jul 5th, 2016
Data objects are collection of one or more piece of data and data type is only one type of data like int, char, float
Sukhrob
- Dec 24th, 2015
Primitive data types like byte, short, int, double, long they store data while object only has reference to the declared data. When object type called it references to the declared type.
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what is difference between array & arraylist?
arraylist is resizable where as using array it is not possible.
Sukhrob
- Dec 24th, 2015
First difference: array is already with fixed size while array lists size could be dynamically changed.
Secondly, array can include only the same type of data while array list can consist of different primitive data types as well as objects.rakesh
- Nov 18th, 2015
Array is collection of similar data type values. We cant resizable and growable of array. It is already fixed when you declared while array list works as a dynamic in which size could be grow. It is a part of collection framework to handle or store the collection of object not any type of values.
