ハロー・ワールド
harō wārudo
The English phrase "hello world" is translated into Japanese as ハロー・ワールド (harō wārudo).
This phrase is used as a traditional first program written by beginners to test a new programming language.
What does it mean word for word?
The phrase is written using Katakana, which is the Japanese script used for loanwords and foreign names.
How do you pronounce it?
harō wārudo
Did you know?
- The middle dot in ハロー・ワールド is called a 中黒 and is used in Japanese to separate foreign words so the reader knows where one word ends and the next begins.
- If a developer replaced ハロー・ワールド with the native こんにちは世界, it would sound like the opening line of a science fiction novel or a dramatic proclamation to the planet.
- While ハロー is used in ハロー・ワールド, a Japanese speaker would find it unnaturally abrupt as a spoken greeting unless they are intentionally mimicking an American accent.
Examples in context
- プログラミングの最初の練習は「ハロー・ワールド」です。Puroguramingu no saisho no renshuu wa "Haroo Waarudo" desu.The first programming exercise is "hello world".
- 「ハロー・ワールド」と表示されました。"Haroo Waarudo" to hyouji saremashita."Hello world" was displayed.
- まず「ハロー・ワールド」を書いてみましょう。Mazu "Haroo Waarudo" o kaite mimashou.First, let's try writing "hello world".
Example conversation
Two students are studying programming together.
- 健太 Kenta結衣、もうハロー・ワールドは書いた？Yui, mō harō wārudo wa kaita?Yui, have you written hello world yet?
- 結衣 Yuiうん、今ちょうど終わったところだよ。Un, ima chōdo owatta tokoro da yo.Yes, I just finished it right now.
- 健太 Kentaすごいね。画面にちゃんと出た？Sugoi ne. Gamen ni chanto deta?That's great. Did it show up on the screen correctly?
- 結衣 Yuiうん、ちゃんと表示されたよ！Un, chanto hyōji sareta yo!Yes, it was displayed perfectly!
