Base64 withoutPadding Encoding of string or byte array (Java8)
Problem Statement: Given input string or byte array, we would like to perform Base64 encoding withoutPadding. Base 64 Encoder class: […]
Base64 Encode & Decode of password string or byte array (Java8)
Problem Statement ? Given a string like password, byte array, we would like to perform Base64 encoding and decoding of
Convert decimal number to hexdecimal – (java api, iterative & recursive)
Given a decimal number (base 10), convert decimal number to hexadecimal (base 16) using java. We will discuss various methods
Convert decimal number to Octal – (java api, iterative & recursive)
Given a decimal number (base 10), convert decimal number to octal (base 8) using java. We will discuss various methods
Find sum of all digits of given number/Integer (java /example)
Problem Statement ? Given a number or integer in java, we would like to calculate the sum of all digits.
Take screenshot of a web page using Selenium Web Driver (Java)
Given any web page, we would like to take its screenshot using Selenium Web Driver. We can use this screenshot
Find Digits Problem – Hackerrank (Solution)
Given an integer, for each digit that makes up the integer determine whether it is a divisor. Count the number
Handle mouse & keyboard events in Selenium (Actions class)
Given any web page, we would like to handle mouse & keyboard interactions using Actions class. We will use Selenium
Validate particular link on Web Page using Selenium Web Driver (Java)
Given any web page, we would like to validate the particular link on a web page . We will use
Count number of links on page using selenium webdriver (Java)
Given any web page, we would like to count the number of links on that particular web page. We will
Get jvm heap params of remote server in weblogic domain (WLST)
Given weblogic domain containing admin and manage servers. We would like to get JVM parameters of remote Admin or manager
Script: get running/active servers in weblogic (wlst/python)
Given a weblogic server. We would like to get list of running servers in current domain using python script. We
WLST – List server status in weblogic domain (python script/example)
Given the weblogic server. We would like list status of each server in the weblogic domain using WLST python script.
Get targets of deployed application in weblogic admin server (WLST)
Given an application deployed in current domain of AdminServer (weblogic). We would like get all targets of deployed application in
List deployed applications in weblogic Admin Server (WLST/example)
Given the AdminServer (weblogic). We would like list deployed applications in weblogic (AdminServer) Connect to AdminServer using t3 protocol. Get
Check whether particular application is deployed in AdminServer (WLST)
Check particular application is deployed in current domain of weblogic server. A python/jython wlst script will connect to adminserver to verify app status.
SSL (t3s) connection to Weblogic AdminServer – WLST (example)
Given the AdminServer (weblogic) We would like to connect to AdminServer using t3s (secure) protocol. We can make the SSL
Undeploy/remove application from weblogic admin server (wlst/example)
Undeploy/remove/uninstall application from weblogic admin server using weblogic scripting tool (WLST). connect to admin server to remove application.
Install/deploy application to weblogic admin server – WLST (script/example)
Given an application war file. deploy application to weblogic admin server using WLST (WebLogic Scripting Tool). Connect, deploy applicaiton and disconnect from server.
CountDownLatch concurrency/multithreading example in java
Given shared resources in java, Synchronize resources using CountDownLatch in java. Count down latch is concurrency (multi threading) construct (example).
Java concurrency example-Synchronize resources using Semaphore
Semaphore is used to synchronize threads. Semaphores are often used to restrict the number of threads than can access some
Concurrency – Synchronize resources using ReentrantLock in java (example)
Given shared resources in java. Synchronize shares resources using Lock interface. We will use ReentrantLock to protect share resources. A
Concurrency – Producer & Consumer in java (Wait notify example)
Given multi-threading application in java. Create Producer & Consumer threads. Producer thread will produces the data. Consumer thread will consumes
Find number of consecutive 1’s in a binary number in java (example)
Given a decimal number in java (base 10) Find out number of consecutive 1’s in a binary number. 1. Examples
Get all fields/data members of class in java (example)
Given a class in java containing public,private & protected fields. Get/list/print all fields of class using class Class. We will use
Print/list all methods/functions of class in java (example)
Given a class in java containing public,private & protected methods. We will declare a Person class containing: Public methods. Private
Print/list public/protected/private constructors of class in java (example)
Given a class in java containing public,private & protected contructors. Get/list/print all constructors (prive,protected & public) of a class using
Print/list public methods/functions of class in java (example)
Given a class containing public methods in java. Get/Print/list public methods/functions of class in java (example) using class Class.
find out the class name of an object at runtime (java/example)
Given an instance of class in java. We would like to find out the class name of an object. We
Find type of objects at runtime using instanceof operator (java/ example)
Given the parent child class hierarchy in java. We would like to compare the instance of classes at run-time. We
