L&T Infotech interview questions and answers

541 Articles

541

What is Python ?

July 18, 2021

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July 18, 2021

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Answer : Python is a powerful high-level and object-oriented programming language developed by Guido van Rossum.

Python

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Difference between wait() and sleep() in java ?

July 17, 2021

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July 17, 2021

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Answer : wait() Method of thread class goes in waiting state …

Java

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Difference between ClassNotFoundException and NoClassDefFoundError in java ?

July 14, 2021

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July 14, 2021

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Answer : ClassNotFoundException and NoClassDefFoundError occur when a particular…

Java

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Difference between JDK JRE and JVM ?

July 14, 2021

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July 14, 2021

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Answer : Java Development Kit is the core component…

Java

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Java program to find second largest number in an array ?

July 14, 2021

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July 14, 2021

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Answer : Given an array of integers, our task is to write a program…

Java

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Java Program to reverse a Linked List ?

July 14, 2021

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July 14, 2021

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Answer : A Linked list contains two things data and the address of the node each node….

Java

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Why do we need garbage collection ?

July 14, 2021

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July 14, 2021

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Answer : Java garbage collection is the method by which Java programs ….

Java

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Find number of occurrence of each of the unique characters in a string ?

July 14, 2021

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July 14, 2021

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Answer : In this program an approach using Hashmap….

Java

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How to optimally divide an array into two subarrays so that sum of elements in both are same ?

July 14, 2021

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July 14, 2021

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Answer : Given an array of integers greater than zero…

Java

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How to check if a string contains the sequences of characters or not using java ?

July 14, 2021

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July 14, 2021

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Answer : java.lang.String.contains() method searches the sequence of characters…

Java

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How to find next greater element for every element in an array ?

July 14, 2021

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July 14, 2021

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Answer : In an array, to display the Next Greater Element (NGE)…

Java

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How to count number of characters in a string ?

July 13, 2021

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July 13, 2021

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Answer : To count the amount of ‘x’ characters that are in a string…

Java

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Design Patterns in Java where input n=4 ?

July 13, 2021

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July 13, 2021

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Answer : Pattern is an underlying structure that organizes surfaces…

Java

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How to Count Occurrence of a given Character in a String in Java ?

July 13, 2021

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July 13, 2021

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Answer : The number of occurrences of each character to be count…

Java

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How to Copy One Array to Another in Java ?

July 13, 2021

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July 13, 2021

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Answer : Java provides inbuilt methods to copy array…

Java

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How to check if two rectangles intersect or not ?

July 13, 2021

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July 13, 2021

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Answer : The following standard Java coding practices to solve…

Java

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What is Linear Sort in Java ?

July 13, 2021

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July 13, 2021

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Answer : One of the simplest Sorting techniques is a linear sort…

Java

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How to Decode URL content in Java ?

July 13, 2021

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July 13, 2021

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Answer : The task to the reverse of URL encoding and distinct from URL parser is called Url Decoding..

Java

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Difference Between static and dynamic binding in Java ?

July 13, 2021

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July 13, 2021

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Answer : Events occur at compile time….

Java

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How to find the Longest Palindrome String in Java ?

July 13, 2021

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July 13, 2021

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Answer : A palindrome is a word, phrase, number, or other sequence of characters…

Java

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L&T Infotech interview questions and answers

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