In this Kotlin Tutorial, we learned what a Kotlin with function is, and how to use this to create a scope (with-block) for an object (receiver) and access its members and functions. Now, let us return length of the receiver object str from the with-block. In the following example, we will return lowercase value of the String from with-block. Just place the return value as the last statement in the with-block. In this example, we will create two menu items - Share and Settings. Output Hello World! Return Value from With-Block To do this, you will create a new XML file in the res/menu directory of your project. In this tutorial, we’ll explore how to use Kotlin Classes as JPA entities.
To access receiver itself in the with-block, use this keyword. One of Kotlin’s characteristics is the interoperability with Java libraries, and JPA is certainly one of these.
imageio package, to load images from an external image format. Inside the with-block, we have accessed length property and called uppercase() function of the receiver object str, with actually referencing the object str again like str.length or str.uppercase(). Q3 Any example to read file in android java or kotlin This is my REST call with retrofit client. In the following example, we will pass a String value for receiver object to with() and access the properties and functions of the String in the block.
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