Ronald Daugherty ronjdaugherty34

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Kotlin Reading List

View Click

Instead of the verbose setOnClickListener:

RxView.clicks(submitButton).subscribe(o -> log("submit button clicked!"));

Filter even numbers

Observable
    .just(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)

ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!

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#Intro

Kotlin is a new programming language for the JVM. It produces Java bytecode, supports Android and generates JavaScript. The latest version of the language is Kotlin M5.3

Kotlin project website is at kotlin.jetbrains.org.

All the codes here can be copied and run on Kotlin online editor.

Let's get started.

	import 'dart:async';

	void main() {

	var data = [1,2,3,4,5];
	var stream = new Stream.fromIterable(data);
	var broadcastStream = stream.asBroadcastStream();

	broadcastStream.listen((value) => print("(3)stream.listen: $value"));
	broadcastStream.first.then((value) => print("(3)stream.first: $value")); // 1

	// Returns maximum repeating element in arr[0..n-1].
	// The array elements are in range from 0 to n-1

	int maxRepeating(int[] arr)
	{
	int len= arr.length;
	// Iterate though input array, for every element
	// arr[i], increment arr[arr[i]%k] by k
	for (int i = 0; i< len; i++)
	arr[arr[i]%len] += len;

	C++:
	/**
	* Definition for singly-linked list.
	* struct ListNode {
	* int val;
	* ListNode *next;
	* ListNode(int x) : val(x), next(NULL) {}
	* };
	*/
	class Solution {