How to create a map class in apex?
Creates a new instance of the Map class and populates it with the passed-in list of sObject records. The keys are populated with the sObject IDs and the values are the sObjects. Creates a new instance of the Map class. T1 is the data type of the keys and T2 is the data type of the values.
What is dynamic field mapping in Salesforce apex?
In this blog we are going to learn about dynamic field mapping in salesforce apex class. As a developer you may have faced this challenge to map the field and value while dynamically creating a record. So let’s see an example to create an account in which we map its field to value dynamically.
Which is an example of an apex object?
A map is a collection of key-value pairs where each unique key maps to a single value. In map Keys can be any primitive data type like string, integer,decimal, Id while values can be a primitive, sObject, collection type or an Apex object.
How are map keys and values determined in apex?
Map keys and values can be of any data type—primitive types, collections, sObjects, user-defined types, and built-in Apex types. Uniqueness of map keys of user-defined types is determined by the equals and hashCode methods, which you provide in your classes.
Can a child apex component be set to global?
If the access attribute is set to public, the access attribute on child apex:attributes cannot be set to global. Note: Components with this designation are subject to the deprecation policies as described for managed packages. If this attribute is set to “true”, you can include DML within the component. The default is “false”.
How to create a custom component in apex?
All custom component definitions must be wrapped inside a single tag. This component supports HTML pass-through attributes using the “html-” prefix. Pass-through attributes are attached to the generated container tag, or , depending on the layout attribute.
Why do I need to convert trigger to apex class?
If in future you got need to pass any additional parameter, you can pass that in handler using context variables and only your service class will be affected which is providing service to your trigger. 3. This will also make your Trigger design simpler and flexible considering future modifications.