sajjadyousefnia

with(webview.settings) {
    javaScriptEnabled = true
    databaseEnabled = true
}

// similarly

webview.settings.run {
    javaScriptEnabled = true
    databaseEnabled = true

sajjadyousefnia

// Yack!
with(webview.settings) {
      this?.javaScriptEnabled = true
      this?.databaseEnabled = true
   }
}

// Nice.
webview.settings?.run {
    javaScriptEnabled = true

sajjadyousefnia

fun test() {
    var mood = "I am sad"

    run {
        val mood = "I am happy"
        println(mood) // I am happy
    }
    println(mood)  // I am sad
}

sajjadyousefnia

 run {
        if (firstTimeView) introView else normalView
    }.show()

sajjadyousefnia

stringVariable?.run {
      println("The length of this String is $length")
}

// Similarly.

stringVariable?.let {
      println("The length of this String is ${it.length}")
}

sajjadyousefnia

/* Java */
package com.chikekotlin.projectx.utils
 
public class UserUtilsKt {
 
    public static String checkUserStatus() {
        return "online";
    }
}

sajjadyousefnia

/* Java */
import com.chikekotlin.projectx.utils.UserUtilsKt
 
... 
 
UserUtilsKt.checkUserStatus()

sajjadyousefnia

@file:JvmName("UserUtils")
package com.chikekotlin.projectx.utils
 
fun checkUserStatus(): String {
    return "online"
}

sajjadyousefnia

/* Java */
import com.chikekotlin.projectx.utils.UserUtils
 
... 
 
UserUtils.checkUserStatus()

sajjadyousefnia

val message = { println("Hey, Kotlin is really cool!") }
message() // "Hey, Kotlin is really cool!"