Written Round: (1 hour) Given a linked list and K, print the last K nodes in reverse order.example: 1->2->3->4->5->6, K = 3 output: 6 5 4 Find out whether the given tree is BST or not. Rotate Given matrix by 90 clockwise. Technical Round: (1 hour) Given an array, for every element in the array, you need […]
Solid State Chemistry Questions and Answers – Sources of Background Radiation Fluorescence
This set of Solid State Chemistry test focuses on “Sources of Background Radiation Fluorescence”. 1. The collision between air molecules and diffracted X-ray are the___________a) Sources of background scatteringb) Sources of front reflectionc) Sources of diffractiond) Sources of background irradiationView Answer Answer: aExplanation: The quality of an X-ray powder diffraction pattern is governed to a […]
Java Date to String Example
/* Java Date to String Example This Java Date to String example shows how to convert java.util.Date to String in Java. */ import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; public class ConvertDateToStringExample { public static void main(String args[]){ //create new java.util.Date object Date date = new Date(); /* * To convert java.util.Date to […]
9bb. WebDriver – Using Actions Class
Lights, camera, action! Yes, today its all about Actions. Oh, I am not talking about those fight sequences you watch in movies but about the keyboard and mouse actions. 😛 Selenium WebDriver provides a user-facing API for performing complex user gestures. We want automation everywhere! So, instead of using keyboard and mouse directly, we can […]
Method resolution order in Python Inheritance
Method Resolution Order :Method Resolution Order(MRO) it denotes the way a programming language resolves a method or attribute. Python supports classes inheriting from other classes. The class being inherited is called the Parent or Superclass, while the class that inherits is called the Child or Subclass. In python, method resolution order defines the order in […]
Java Stacktrace to String Example
/* Java Stacktrace to String Example This Java Stacktrace to String example shows how to get Stacktrace of any exception to String. */ import java.io.PrintWriter; import java.io.StringWriter; public class StackTraceToStringExample { public static void main(String args[]){ try{ //this will throw NumberFormatException Integer.parseInt(“Not a number”); }catch(NumberFormatException e){ /* * To convert Stacktrace to String […]
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