however, if in apex by default the inner class is not the static one then no doubt as per the object oriented principle we can call the inner method using below syntax: i.e Outer.Inner oi = new Outer ().new Inner (); oi.show (); // calling of Inner class method.
Full Answer
When to use inner classes in Salesforce apex?
Apex inner classes offer up a huge number of use cases. For the most part you could use an outer class in their place but sometimes that can be overkill. I’ve personally used Apex inner classes for the following scenarios. Let’s say you want to send some record information back to an lwc.
How to call the inner class method in apex?
however, if in apex by default the inner class is not the static one then no doubt as per the object oriented principle we can call the inner method using below syntax: oi.show (); // calling of Inner class method.
Is it possible to instantiate an object from an inner class?
In Apex there are no calss modifiers applicable on inner classes. Hence you can access inner class like static classes and still instantiate objects. In addition, only one level of class nesting is allowed unlike Java.
Are apex inner classes Overkill?
Apex inner classes offer up a huge number of use cases. For the most part you could use an outer class in their place but sometimes that can be overkill. I’ve personally used Apex inner classes for the following scenarios.
How do you call an inner class method?
OuterClass. InnerClass inn = out. new InnerClass(); Then You can call any method in innerClass from this object.
What is inner class in Salesforce?
In Apex, you can define top-level classes (also called outer classes) as well as inner classes, that is, a class defined within another class. You can only have inner classes one level deep. For example: public class myOuterClass { // Additional myOuterClass code here class myInnerClass { // myInnerClass code here } }
How do I call a private inner class?
Accessing the Private Members Write an inner class in it, return the private members from a method within the inner class, say, getValue(), and finally from another class (from which you want to access the private members) call the getValue() method of the inner class.
How do you call a static inner class?
Java static nested class example with instance methodclass TestOuter1{static int data=30;static class Inner{void msg(){System.out.println("data is "+data);}}public static void main(String args[]){TestOuter1.Inner obj=new TestOuter1.Inner();obj.msg();More items...
How do you call one class from apex to another class?
Log in to Salesforce Org → Setup → Build → Develop → Click 'Apex Class' → Click On “New” button → Paste the “Code for Apex Class” → Click On “Quick Save”. Note: Firstly, the Apex Class code should be executed as we are calling it from Trigger.
How many inner classes can a class have in Salesforce?
There is no limitations for inner class in salesforce.
What is inner class with example?
Java inner class or nested class is a class that is declared inside the class or interface. We use inner classes to logically group classes and interfaces in one place to be more readable and maintainable....Types of Nested classes.TypeDescriptionMember Inner ClassA class created within class and outside method.4 more rows
What is the difference between an inner class and a subclass?
inner classes are in the same file, whereas subclasses can be in another file, maybe in another package. You cannot get an instance of an inner class without an instance of the class that contains it. inner classes have the methods they want, whereas subclasses have the methods of their parent class.
How do you access the inner class from code within the outer class?
Since inner classes are members of the outer class, you can apply any access modifiers like private , protected to your inner class which is not possible in normal classes. Since the nested class is a member of its enclosing outer class, you can use the dot ( . ) notation to access the nested class and its members.
Can an inner class be static?
Non-static nested classes are called inner classes. Nested classes that are declared static are called static nested classes. A nested class is a member of its enclosing class. Non-static nested classes (inner classes) have access to other members of the enclosing class, even if they are declared private.
How do I access static nested classes?
And like static class methods, a static nested class cannot refer directly to instance variables or methods defined in its enclosing class: it can use them only through an object reference. They are accessed using the enclosing class name. To instantiate an inner class, you must first instantiate the outer class.
Do inner classes have to be static?
Non-static nested classes are called inner classes. A class can either be static or non-static in java. So there is a lot of difference between making a class static or non-static. There are two kinds of classes in Java, one is called a top-level class and the other is called a nested class.