Initial data commit

Task/UTF-8-encode-and-decode/Processing/utf-8-encode-and-decode.processing

@@ -0,0 +1,28 @@
+import java.nio.charset.StandardCharsets;
+
+Integer[] code_points = {0x0041, 0x00F6, 0x0416, 0x20AC, 0x1D11E};
+
+void setup() {
+  size(850, 230);
+  background(255);
+  fill(0);
+  textSize(16);
+  int tel_1 = 80;
+  int tel_2 = 50;
+  text("Char     Name                                                            Unicode          UTF-8 (encoding)      Decoded", 40, 40);
+  for (int cp : code_points) {
+    byte[] encoded = new String(new int[]{cp}, 0, 1).getBytes(StandardCharsets.UTF_8);
+    for (byte b : encoded) {
+      text(hex(b), tel_2+530, tel_1);
+      tel_2 += 30;
+    }
+    text(char(cp), 50, tel_1);
+    text(Character.getName(cp), 100, tel_1);
+    String unicode = hex(cp);
+    while (unicode.length() > 4 && unicode.indexOf("0") == 0) unicode = unicode.substring(1);
+    text("U+"+unicode, 450, tel_1);
+    Character decoded = char(new String(encoded, StandardCharsets.UTF_8).codePointAt(0));
+    text(decoded, 750, tel_1);
+    tel_1 += 30;  tel_2 = 50;
+  }
+}