Infosys Technologies interview questions and answers

156 Articles

156

How can we enable the USB pen drive in Network if Network administrator Disable the Drive ?

July 17, 2021

1 Min Read

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July 17, 2021

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Answer : It should be done through the server by editing the…

Networking

Editor

“snap” is used by the Cisco IOS for which encapsulation types ?

July 17, 2021

1 Min Read

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July 17, 2021

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Answer : E. Novell-FDDI…

Networking

Editor

How many types of routing protocols ?

July 17, 2021

1 Min Read

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July 17, 2021

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Answer : There are two types of routing protocol…

Networking

Editor

What do you mean by gateway ?

July 17, 2021

1 Min Read

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July 17, 2021

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Answer : Gateway is a network point that acts…

Networking

Editor

Suppose in DHCP server running network (assigning ip addresses automatically), you connect a Laptop in the same n/w, now how the DHCP is going to assign an IP address to it and how it will come to know that there’s one new machine added ?

July 17, 2021

1 Min Read

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July 17, 2021

1 Min Read

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Answers : We define range of ip in DHCP…

Networking

Editor

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

July 17, 2021

1 Min Read

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July 17, 2021

1 Min Read

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

Java

Editor

Difference between ClassNotFoundException and NoClassDefFoundError in java ?

July 14, 2021

1 Min Read

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July 14, 2021

1 Min Read

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Answer : ClassNotFoundException and NoClassDefFoundError occur when a particular…

Java

Editor

Difference between JDK JRE and JVM ?

July 14, 2021

1 Min Read

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July 14, 2021

1 Min Read

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Answer : Java Development Kit is the core component…

Java

Editor

Java program to find second largest number in an array ?

July 14, 2021

1 Min Read

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July 14, 2021

1 Min Read

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

Java

Editor

Java Program to reverse a Linked List ?

July 14, 2021

2 Min Read

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July 14, 2021

2 Min Read

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

Java

Editor

Why do we need garbage collection ?

July 14, 2021

2 Min Read

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July 14, 2021

2 Min Read

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

Java

Editor

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

July 14, 2021

1 Min Read

0 3

July 14, 2021

1 Min Read

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Answer : In this program an approach using Hashmap….

Java

Editor

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

July 14, 2021

2 Min Read

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July 14, 2021

2 Min Read

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Answer : Given an array of integers greater than zero…

Java

Editor

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

July 14, 2021

1 Min Read

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July 14, 2021

1 Min Read

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

Java

Editor

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

July 14, 2021

1 Min Read

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July 14, 2021

1 Min Read

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

Java

Editor

How to count number of characters in a string ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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

Java

Editor

Design Patterns in Java where input n=4 ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : Pattern is an underlying structure that organizes surfaces…

Java

Editor

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

July 13, 2021

1 Min Read

0 7

July 13, 2021

1 Min Read

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

Java

Editor

How to Copy One Array to Another in Java ?

July 13, 2021

1 Min Read

0 7

July 13, 2021

1 Min Read

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Answer : Java provides inbuilt methods to copy array…

Java

Editor

How to check if two rectangles intersect or not ?

July 13, 2021

1 Min Read

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July 13, 2021

1 Min Read

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Answer : The following standard Java coding practices to solve…

Java

Editor

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Infosys Technologies interview questions and answers

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