Converting a string to a class name
Well, for one thing ArrayList
isn't generic... did you mean List<Customer>
?
You can use Type.GetType(string)
to get the Type
object associated with a type by its name. If the assembly isn't either mscorlib or the currently executing type, you'll need to include the assembly name. Either way you'll need the namespace too.
Are you sure you really need a generic type? Generics mostly provide compile-time type safety, which clearly you won't have much of if you're finding the type at execution time. You may find it useful though...
Type elementType = Type.GetType("FullyQualifiedName.Of.Customer");
Type listType = typeof(List<>).MakeGenericType(new Type[] { elementType });
object list = Activator.CreateInstance(listType);
If you need to do anything with that list, you may well need to do more generic reflection though... e.g. to call a generic method.
How to convert String type to Class type in java
Class<?> classType = Class.forName(className);
Make sure className
is fully qualified class name like com.package.class
Also, please share your error message that you see.
How to convert a string with the name of a class to the class type itself?
You can get your class back from string
, but you need to use your project's module name while getting class name. If you don't use your module name then it will return nil
because the class name you have referenced earlier is not fully qualified by the module name. You should change the class name string to represent the fully qualified name of your class:
let myClassString = String(MyModule.MyViewController.self)
print(myClassString)
let myClass = NSClassFromString("MyModule.\(myClassString)") as! MyViewController.Type
print(myClass)
Convert String value to a Java Class name
Try ::
Intent resumeIntent = new Intent (this, Class.forName(getPackageName() + resumeName);
startActivity(resumeIntent);
UPDATE
String resumeName = YourActivityName.class.getCanonicalName();
try {
Class newClass = Class.forName(resumeName);
Intent resume = new Intent(this, newClass);
startActivity(resume);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
Store the canonical name of the activity in the string variable.
Dynamically Converting strings into Class Name in same namespace Type.GetType() returning null
Please Provide full path of your object means with namespace
Like
String p = "ConsoleApplication1.Profile_UC";
Type uc1 = Type.GetType(p);
It is possible to convert from a string to class name in PHP
Consider this Simple Scenario:
<?php
class SomeClass{
public static $a = 12;
public static $b = "some value";
public static $c = "another value";
public static function getSomeData(){
return self::$a . " " . self::$b . " " . self::$c;
}
}
$b = SomeClass::getSomeData();
//DUMPS '12 some value another value' TO THE OUTPUT STREAM...
var_dump($b);
$strClassName = "SomeClass";
//STILL DUMPS '12 some value another value' TO THE OUTPUT STREAM...
var_dump(call_user_func($strClassName. "::getSomeData"));
Extending this Knowledge to your Unique Case, You might want to do something like:
<?php
$table = Teller::select('*')->where('user_id','=', $this->user_id)->first();
$modelName = trim($table->tables,'"');
$implicitCall = call_user_func($modelName. "::select", '*');
$implicitCall = call_user_func($modelName. "::where", array('id', '=', $id));
$loan = call_user_func($modelName. "::get");
?>
Optionally; You may even take this a little further. Since we know that you are using Fluent Setters; it is clear that the First implicit call will return an instance of the Class so we could do something like so:
<?php
$table = Teller::select('*')->where('user_id','=', $this->user_id)->first();
$modelName = trim($table->tables,'"');
// THIS SHOULD RETURN AN INSTANCE OF THE CLASS IN QUESTION: THE MODEL CLASS
$implicitCall = call_user_func($modelName. "::select", '*');
// DO YOU DOUBT IT? WELL, DOUBT IS THE BEGINNING OF ALL KNOWLEDGE.
// I DOUBT IT TOO; SO LET'S CONFIRM OUR DOUBTS
var_dump($implicitCall); // EXPECTED TO DUMP THE CLASS IN QUESTION.
// NOW WE CAN JUST USE THE $implicitCall VARIABLE AS IF IT WAS AN INSTANCE OF THE MODEL CLASS LIKE SO:
$loan = $implicitCall->where('id','=', $id)->get();
?>
I hope this answers helps and works for you though... ;-)
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