Interview Questions and Answers for 'Oodles Technologie' - 3 question(s) found - Order By Newest Very Frequently asked to fresh graduates and less experienced. Favorite question in Walk in drives. Frequently asked in Indian Services companies. Q1. Difference between Overloading and Overriding ? Core Java
Ans. Overloading - Similar Signature but different definition , like function overloading.
Overriding - Overriding the Definition of base class in the derived class. Sample Code for overloading Sample Code for overriding Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  java   oops   overloading   overriding   oops concepts   basic interview question   overloading vs overriding Asked in 86 Companies basic   frequent Try 1 Question(s) TestRelated Questions What are the difference between composition and inheritance in Java? Explain OOPs
or
Explain OOPs Principles
or
Explain OOPs Concepts
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Explain OOPs features
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Tell me something about OOPs What is the difference between Encapsulation and Abstraction? What are points to consider in terms of access modifier when we are overriding any method? What is Polymorphism in Java ? Can you give a real world example of Encapsulation and Abstraction ? Why every object constructor automatically call super() in Object before its own constructors? How compiler handles the exceptions in overriding ? Difference between Composition and Inheritance ? Q2. How to find whether a given integer is odd or even without use of modulus operator in java? Core Java
Ans. public static void main(String ar[])
{
int n=5;
if((n/2)*2==n)
{
System.out.println("Even Number ");
}
else
{
System.out.println("Odd Number ");
}
} Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  java   code   coding   tricky questions   interesting questions   modulus operator Asked in 4 Companies   frequent Related Questions If you have access to a function that returns a random integer from one to five, write another function which returns a random integer from one to seven. Q3. Difference between jar , war and ear ? Java EE
Ans. Jar is Java Archieve i.e compressed Class or Class / Java files.
War comprises of compressed Servlet class files,JSP FIles,supporting files, GIF and HTML files.
Ear comprise of compressed Java and web module files ( was files ). Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  java   j2ee   jar   web development   war   ear   build management   release management Asked in 12 Companies basic   frequent Related Questions Can we generate Java Documentation using Export -> JavaDoc using a jar file ? How can I change the default location of the generated jar when I command "mvn package"? What would you do if you have to add a jar to the project using Maven ? If you are given a choice to have a functionality shared either through dependency or through a Web service, which one will you choose ? Given 2 jars of 5 ltr and 3 ltr, how will you get 4 ltrs in one of those jars ? Can we deploy an application to server using a jar file ? What is Jar ? If you are given a Jar file , How can you go through it understand what it does Why do we have multiple core java jars in java 9 ?