PeopleStrong interview questions and answers

175 Articles

175

How HashMap Works in Java ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : HashMap is one of the most widly used implementation of Map to store key-value pairs…

Java

Editor

What is Polymorphism in Java ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : Polymorphism in Java is a concept in different ways…

Java

Editor

What is the purpose of method overriding in java where we are completely re-defining a inherited method ?

July 13, 2021

1 Min Read

0 6

July 13, 2021

1 Min Read

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Answer : Exception in Java represents that problem arises during the execution of the program…

Java

Editor

How OOPS concept is achieved in Java ?

July 13, 2021

1 Min Read

0 19

July 13, 2021

1 Min Read

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Answer : The following stages are the concept of oops achieved in Java…

Java

Editor

Difference between JDBC and Hibernate ? Give one sample based on the variance ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : JDBC(Java Database Connectivity) is an API which is used to access database…

Java

Editor

Explain the struts-configuration file ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : The struts-config.xml configuration file is a link…

Java

Editor

How to print a message to console without using main() function ? (do not use even static blocks also)

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : You could define a custom class loader…

Java

Editor

What is class/object diagram ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : A class is an entity that determines how an object…

Java

Editor

What is an AICA abend ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : A task has been executing for longer than the runaway time…

CICS

Editor

What is an AEY9 abend ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : The AEY9 abend can occur for the following reasons…

CICS

Editor

What is the use of DSECT parameter in BMS ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : DSECT is the parameter used for creating a symbolic map…

CICS

Editor

When you do a START, what will the value of EIBCALEN ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : Value of Eibcalen=0…

CICS

Editor

Print pyramid triangle in C++

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : To print pyramid triangle in C++, we have use two for loop…

C++

Editor

C++ Inheritance

July 13, 2021

4 Min Read

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July 13, 2021

4 Min Read

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Answer : Inheritance is one of the key features of Object-oriented programming…

C++

Editor

Dangling Pointer ?

July 12, 2021

1 Min Read

0 5

July 12, 2021

1 Min Read

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Answer : A dangling pointer is pointing to a memory location…

C++

Editor

Finding all substrings of a given number that are divisible by 11

July 12, 2021

2 Min Read

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July 12, 2021

2 Min Read

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Answer : Query(l, r) : find if the sub-string between the indices l and r….

C++

Editor

What is the best way to sort an array of 0s and 1s ?

July 12, 2021

1 Min Read

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July 12, 2021

1 Min Read

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Answer : Sort an array elements means arrange…

C++

Editor

Find Largest number from set of given numbers ?

July 12, 2021

1 Min Read

0 4

July 12, 2021

1 Min Read

0 4

Answer : Find number of digits in the largest number. Let us assume number of digits be n…

C++

Editor

The operator when overloaded in a class ?

July 12, 2021

1 Min Read

0 8

July 12, 2021

1 Min Read

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Answer : B. Ad-hoc polymorphism

C++

Editor

Syntax for Pure Virtual Function is ?

July 12, 2021

1 Min Read

0 6

July 12, 2021

1 Min Read

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Answer : D. void virtual show()=0

C++

Editor

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