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IBM
1.How java is platform independent?
2.Diamond Problem?How is it handled
3.Multiple vs Multi level inheritance
4.Arrays vs Collection
4.How arrayList size increases dynamically?
5.Default size of arrayList?
6.Benefits of using Lambdas
7.Write Lambda expression to create thread
8.Features of java7
9.Try with Resource in Java 7
10.Different modules in JBOSS?
11.Which module you are using and why?
12.What are methods in Object class?
13.Use of clone method?
14.Internal implementation of HashMap
15.Why Default and static methods introduced in Java 8
16.What are streams?
17.What is stream pipeling?
18.What are webservices?
19.Difference between PUT vs POST
20.Different ways of handling session.
21.If arraylist is not synchronized,why are we using it?
22.When to use set and HashMap
23.Why wait ,notify methods are there in Object class
24.Explain Exception handling with examples
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Larsen & Toubro Infotech
A1.Order of execution of static initialization,instance initialization blocks and constructors.Their importance.
2.Program based on join method
3.Program on constructor chaining
4.Program on treeset
5.We have list of alphabets,should print az,ay,cx,...
6.New features of Java 7 and 8
7.List out methods in Object class
8.TreeSet and HashSet program
9.HashMap internal implementation
10.Different scenarios of hashcode and equals method overriding
11.Employee as an object in Set and Map
12.Wait method and synchronization
13.What is synchronization and why is it needed?
14.In which class wait ,notify methods are there?Why?
15.Notify vs NotifyAll
16.sleep vs wait
17.Which class has sleep method?
18.What is Blocking Queue?
19.What is Reentrant lock?
20.Explain SDLC?
21.Agile Methodology
22.Default methods in interface
23.Program on Default method.
24.Different ways of initializing class in case of inheritance and checking which method will be called?
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Mphasis
1.What do you use as a middle tier to connect frontend and backend?
2.Write a sample Servlet program
3.Write a program to remove duplicates from an array?
4.Roles and responsibilites of a developer?
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