make app🛠

Nknight AMAMIYA nk4dev

make app🛠

I like We3 , NFT, Web5! technical college student in Japan (Grade 4) 🌐❇️

nk4dev / tohexUpper.java

Created July 18, 2023 02:14

	//正解
	import java.util.Scanner;
	public class Main {
	public static void main(String[] args) {
	Scanner sc = new Scanner(System.in);
	// 最初の#を追加する
	StringBuilder sb = new StringBuilder("#");
	for (int i = 0; i < 3; i++ ) {
	// 10新数ベースの色入力 (R G B)
	int a = sc.nextInt();

nk4dev / ReactTextElement.tsx

Created July 10, 2023 03:18

	import React from 'react';

	interface TextBoxState {
	text: string;
	}

	class TextBox extends React.Component<{}, TextBoxState> {
	constructor(props: {}) {
	super(props);
	this.state = {

nk4dev / biggest.java

Created July 3, 2023 02:38

	//クラス名は必ずMainにする必要があります。
	import java.util.*;

	public class Main {
	public static void main(String args[] ) throws Exception {
	Scanner sc = new Scanner(System.in);
	String s = sc.next();
	String s2 = sc.next();
	String s3 = sc.next();
	int sleng = s.length();

nk4dev / startAndEnd.java

Created July 3, 2023 02:35

nk4dev / split_and_replace.java

Created June 19, 2023 02:31

	public class UpperCaseTest {
	public static void main (String[] args) {
	// toUpperCaseTest
	String stunum = "";
	String upperStunum = stunum.toUpperCase();
	System.out.println(upperStunum);

	// toLowerCaseTest
	String myName = "";
	String lowerStunum = myName.toLowerCase();

nk4dev / indexOf_and_substring.java

Created June 19, 2023 01:14

index and substring

	public class StrUtil {
	public static void main(String[] args) {
	// 文字列編集
	String str = "aaa/aaaaaaa___________a";

	// lastIndexOf -> 一致する複数の文字列の最後のやつを返す
	// endStr.length()

	String endStr = "/";
	int endIndex = str.lastIndexOf(endStr) + endStr.length();

nk4dev / .vimrc

Created May 23, 2023 05:49

2023 Vimrc setup

	set number
	set t_Co=256
	set cmdheight=2
	set backspace=indent,eol,start

	call plug#begin()
	Plug 'vim-airline/vim-airline'
	Plug 'vim-airline/vim-airline-themes'
	Plug 'ryanoasis/vim-devicons'
	Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }

nk4dev / main.java

Created May 22, 2023 02:15

	import java.util.*;

	public class f22aa021_Maeda {
	public static void main(String[] args) {
	// Exception handling with Try Catch System.
	// case to determine the month -> if it is over 12, it is treated as an exception.
	// write by Nknight AMAMIYA.
	try {
	Scanner sc = new Scanner(System.in);
	Integer intake = sc.nextInt();

nk4dev / tsconfig.json

Created February 13, 2023 02:27

my tsconfig

nk4dev / testreact.html

Last active February 2, 2023 05:21

single code React on html.

	<!DOCTYPE html>
	<head>
	<meta charset="utf-8">
	<title>React jsx-esm-standalone</title>
	<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
	<!-- @babel/standaloneでESModuleを利用するために、data-type="module"を追加 -->
	<script type="text/babel" data-type="module">
	// CDN経由でReactを読み込む(ESModuleであればブラウザから直接利用可能)
	import React, {useEffect , useState } from "https://cdn.skypack.dev/react";
	import ReactDOM from "https://cdn.skypack.dev/react-dom ";