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TCS Interview Questions

Questions Answers Views Company eMail

Differences between C and Java?

1207

What do you understand by garbage collection in Java? Can it be forced to run?

989

What is user defined exception in Java?

1084

Describe these concepts: Polymorphism, Inheritance and Abstraction.

1199

Explain the advantages of inheritance.

1151

What is cloud computing? Give some of its applications in real world.

646

What are the different types of sorting? Explain the difference between them.

1036

Explain what do you mean by insertion sort, bubble sort and selection sort? Also, explain the differences among the functionalities of the three sorts.

1083

What is meant by entry controlled loop? What all C++ loops are exit controlled?

1091

Give the difference between the type casting and automatic type conversion. Also tell a suitable C++ code to illustrate both.

1057

Write a program to add three numbers in C++ utilizing classes.

1120

Give syntax for SQL and ORACLE joins.

1094

What are different errors encountered while compiling?

1228

Tell me something about abstract classes?

940

What do you mean by abstract class?

1059

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TCS Interview Questions

Un-Answered Questions

What is difference between pojo and dto?

492

What is the need of an ETL tool?

1101

Explain the pros of using business objects? : sap bobi

941

What is markownikoff’s rule?

1129

Can we write class inside a class in java?

987

Can MapReduce program be written in any language other than Java?

929

Describe how arrays can be passed to a user defined function

1297

How to create a new table in oracle?

1158

Why do we need arrays if all the operations that are performed on arrays can be performed on arraylist?

866

What is the variance between a regular bitmap and a nine-patch image?

925

How can we get the number of statements which have caused errors during a script execution?

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1909

What are the 3 types of filing systems?

1082

What is variable and its types?

1029

What is annotationconfigwebapplicationcontext?

440