Java

-

 List of Core Java topics:


OOPs

Collection

Annotations

Generics

IO Streams

Multi-threading

Exception Handling

Arrays

String Manipulations


========================


https://takeuforward.org/strivers-a2z-dsa-course/strivers-a2z-dsa-course-sheet-2/


Comments

Post a Comment

Popular posts from this blog

Multi currency in Salesforce - Revenue Cloud Advance - Revenue Lifecycle Management

-
Image
  We need to follow some steps to enable and configure Multicurrency in salesfroce 1. Enabling Multicurrency        Setup -> Company Information -> Edit -> Activate Multiple Currencies (Check this check box).       Note : Once Multicurrency is enabled we con't disable it. 2. See all the available New Currencies    Setup -> Company Information -> Currency Setup (button) as shown in the image below. 3.  How to Create Multiple Currencies in Salesforce   Setup  -> Company Information -> Currency Setup -> New    As shown in the image below, we can create new Currencies.  4. How to use Multiple Currencies in Opportunity Creation.   Note : If you enable Multy-currency then In the opportunity(Object), "Opportunity Currency" (field) is mandatory to create an opportunity. 5. How to use Multi-currency in Quote Note:  1. If you gave currency for opportunity as EUR, and in quot...
Read more

Create the Callout Step in DRO - Salesfroce - Dynamic Revenue Orchestrator

-
Image
  To create "CallOut" action in DRO steps :  To create callout we need to create "Integration Definitions"  setup -> Integration Definitions on search -> create new -> Once you click on save it will redirect to this page Step1 : Create Class like  global with sharing class CustomFulfillmentProvider implements industriesintegrationfwk.ServiceIntegrationProvider {     // 1. Primary synchronous invocation logic     global industriesintegrationfwk.IntegrationCalloutResponse invokeMethod(String method, Map<String,Object> inputMap) {         industriesintegrationfwk.IntegrationCalloutResponse response = new industriesintegrationfwk.IntegrationCalloutResponse(true);                try {             // STEP A: Extract the Orchestration Record Context IDs from the framework map             String targetRecordId = ''; ...
Read more

Apex Triggers - 15 (Amazon Interview Question)

-
  1. Scenario Overview This automation solves an Amazon Interview Question based on a parent-child relationship between a parent object, Tax_Firm__c , and a child object, Employee__c . The parent features two currency fields: Max_Salary__c and Min_Salary__c . The system must dynamically recalculate and roll up the highest and lowest employee salary values to these parent fields whenever any child employee record is inserted, updated, deleted, or undeleted . Additionally, the solution handles the edge case where all related employees are deleted from a firm, safely resetting the parent summary values to zero instead of leaving stale metrics behind . or Show the Min & Max Salary of Employee records on the Parent Company record. 2. Apex Handler Class public class EmployeeTriggerHandler {     public static void updateSalaryRollups(List<Employee__c> newEmployees, List<Employee__c> oldEmployees, Map<Id, Employee__c> oldEmployeeMap) {     ...
Read more