UTF-8 encode and decode: Difference between revisions
Added Kotlin
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€ EURO SIGN U+20AC E2 82 AC €
𝄞 MUSICAL SYMBOL G CLEF U+1D11E F0 9D 84 9E 𝄞
</pre>
=={{header|Kotlin}}==
<lang scala>// version 1.1.2
fun utf8Encode(codePoint: Int) = String(intArrayOf(codePoint), 0, 1).toByteArray(Charsets.UTF_8)
fun utf8Decode(bytes: ByteArray) = String(bytes, Charsets.UTF_8).codePointAt(0)
fun main(args: Array<String>) {
val codePoints = intArrayOf(0x0041, 0x00F6, 0x0416, 0x20AC, 0x1D11E)
println("Char Name Unicode UTF-8 Decoded")
for (codePoint in codePoints) {
var n = if(codePoint <= 0xFFFF) 4 else 5
System.out.printf("%-${n}c %-35s U+%05X ", codePoint, Character.getName(codePoint), codePoint)
val bytes = utf8Encode(codePoint)
var s = ""
for (byte in bytes) s += "%02X ".format(byte)
val decoded = utf8Decode(bytes)
n = if(decoded.toInt() <= 0xFFFF) 12 else 11
System.out.printf("%-${n}s %c\n", s, decoded)
}
}</lang>
{{out}}
<pre>
Char Name Unicode UTF-8 Decoded
A LATIN CAPITAL LETTER A U+00041 41 A
ö LATIN SMALL LETTER O WITH DIAERESIS U+000F6 C3 B6 ö
Ж CYRILLIC CAPITAL LETTER ZHE U+00416 D0 96 Ж
€ EURO SIGN U+020AC E2 82 AC €
𝄞 MUSICAL SYMBOL G CLEF U+1D11E F0 9D 84 9E 𝄞
</pre>
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