Interview Questions and Answers - Order By Newest Q1951. What is the use of toString method ? Core Java
This question was recently asked at 'Jibe Technology Services'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1952. All the meaningful words that can be formed from a phone keypad
This question was recently asked at 'Oracle'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1953. What are the scenarios you consider in code reviews General
Ans. https://www.evoketechnologies.com/blog/code-review-checklist-perform-effective-code-reviews/ Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  clean code Asked in 1 Companies Q1954. How to delete a node from linked list if u do not have head and only have a pointer to the element which has to be removed ? Data Structure
This question was recently asked at 'LifCare'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Ans. Throwable in java is a class that is the superclass of all exceptions and errors which may occurs in java program.It extends obcect class. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  exception handling   throwable Asked in 1 Companies basic Q1956. How do you use cut command in unix ? Unix
Ans. cut command is used to extract the given number of characters and columns from a file Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1957. What is difference between Echo and Print ?
Ans. echo and print statements both are similar there is a slight difference between those both are output statements echo has no return value while print has value 1 echo takes multiple parameters but print takes one argument Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1958. Rest API crud operation using spring boot Spring Boot
This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1959. Hash map using/without using Java 8 Core Java
This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1960. How to deploy spring boot application without restart in prod env Spring Boot
This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1961. differences between drop , delete and truncate Database
This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Q1963. Should we do anything to avoid memory leaks in Java ? Core Java
Ans. Java has a intrinsic way of checking leaks and reclaiming memory called garbage collection. Moreover Java doesn't support pointer arithmetics , so there is very low comparative chance of memory leaks, compared to C,C++
Though there may be tools that may audit code to make sure that we are not leaving much for the garbage collection to work but I have never heard anyone doing anything for memory leaks in Java. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  memory leak in java Q1964. Write a Program to draw a fish ? Core Java
This question was recently asked at 'Webkul Software'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1965. Can you explain integration between Spring and Hibernate ? Hibernate
This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  Spring framework  Hibernate Orm Asked in 1 Companies Ans. Virtual machines are IAAS in GCP which can called Compute Engine Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  Google cloud Platform  GCPAns. IAM is used to define the level of access to GCP services Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  GCP Q1968. Why would you use XML over JSON when using ajax ? JSON
This question was recently asked at 'SoftLayer'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  xml  ajax  json Asked in 1 Companies Q1969. Write a method to track every click on a page. JavaScript
This question was recently asked at 'LinkedIn'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1970. Create a component and sort the data to show specific information. React JS
This question was recently asked at 'Egen Solutions'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1971. prototypal inheritance in Javascript JavaScript
This question was recently asked at 'RocketMiles'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1972. CSS Box Model CSS
This question was recently asked at 'RocketMiles'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1973. Develop an address form in React js. React JS
This question was recently asked at 'PayPal'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Q1974. Difference between Span and Div ? Html
This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  html span  html div Q1975. Can we check two html radio buttons together ? Html
This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  html radio Q1976. What is the use of defining equals , compareTo and hashcode methods in a class ? Where are they used ? Core Java
Ans. equals, compareTo and hashcode are of use when the objects are used within collections.
Equals helps with collections that helps maintaining only unique objects ( like Set )
compare and compareTo helps with collections that helps maintaining objects in order ( TreeSet, TreeMap etc )
hascode helps with collections that facilitates hash searching ( like hashSet, hashMap etc ) Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  equals   compareTo   hashcode methodAns. Cloud computing helps saving overall cost for infrastructure and service usage through following -
1. On demand Services and elasticity - You only pay for what you use. Less Ideal time.
2. Resource Pooling
3. Self Service - Less involvement of human resources Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  Google Cloud Platform (GCP)  Amazon Web Service (AWSAns. It's Serverless and PAAS ( Platform as a service ) Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  paas  serverlessAns. Compute
Network
Storage
Big Data
Machine Learning Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  Ans. Alerts only let customer knows of any excessive usage whereas Quota restricts the usage beyond a certain point. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  GCP Billing