Skip to content

Commit

Permalink
Created using Colab
Browse files Browse the repository at this point in the history
  • Loading branch information
@sualeh
sualeh committed May 8, 2024
1 parent ca9f641 commit f67f572
Showing 1 changed file with 182 additions and 148 deletions.
330 changes: 182 additions & 148 deletions Notebooks/2_java_unicode_case_conversions.ipynb
View file
Original file line number Diff line number Diff line change
@@ -1,150 +1,184 @@
{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"----------\n",
"\n",
"> **How to Run This Notebook**\n",
"\n",
"You can run this notebook in Google Colab. The cell below should be run only once, and then followed by a change of runtime to \"Java (java)\". Refresh the browser before running any subsequent code. You can also run this notebook locally if you have the IJava kernel for Jupyter installed."
]
"cells": [
{
"cell_type": "markdown",
"metadata": {
"id": "view-in-github",
"colab_type": "text"
},
"source": [
"<a href=\"https://colab.research.google.com/github/sualeh/What-a-Character/blob/java/Notebooks/2_java_unicode_case_conversions.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "98uz_z16iWPq"
},
"source": [
"----------\n",
"\n",
"> **How to Run This Notebook**\n",
"\n",
"You can run this notebook in Google Colab. The cell below should be run only once, and then followed by a change of runtime to \"Java (java)\". Refresh the browser before running any subsequent code. You can also run this notebook locally if you have the IJava kernel for Jupyter installed."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"id": "lxcct87EiWPr"
},
"outputs": [],
"source": [
"#@title Prepare Google Colab for IJava Kernel\n",
"\n",
"%%sh\n",
"# Install java kernel\n",
"wget -q https://github.com/SpencerPark/IJava/releases/download/v1.3.0/ijava-1.3.0.zip\n",
"unzip -q ijava-1.3.0.zip\n",
"python install.py\n",
"\n",
"# Install proxy for the java kernel\n",
"wget -qO- https://gist.github.com/SpencerPark/e2732061ad19c1afa4a33a58cb8f18a9/archive/b6cff2bf09b6832344e576ea1e4731f0fb3df10c.tar.gz | tar xvz --strip-components=1\n",
"python install_ipc_proxy_kernel.py --kernel=java --implementation=ipc_proxy_kernel.py"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "GNc5zEadiWPs"
},
"source": [
"----------"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "S01vqm4viWPs"
},
"source": [
"# Unicode Case Conversions\n",
"\n",
"Uppercasing or lowercasing a character may result in more than one character. Also, depending on the position of a character in a word, you can get a different uppercase or lowercase character."
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "qoL_A4jkiWPs"
},
"source": [
"## Lower Case\n",
"\n",
"In Greek, the word for dog in lowercase is \"σκύλος\". Notice that the first and last letter are both sigma."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"id": "bCJPp8QJiWPs"
},
"outputs": [],
"source": [
"final String greekWord = \"ΣΚΎΛΟΣ\"; // dog\n",
"final String greekUpper = greekWord.toUpperCase();\n",
"final String greekLower = greekUpper.toLowerCase();\n",
"\n",
"System.out.format(\"Greek \\\"dog\\\" - \\\"%s\\\" - length %d%n\",\n",
" greekWord,\n",
" greekWord.length());\n",
"System.out.format(\"Converted to uppercase - \\\"%s\\\"%n\",\n",
" greekUpper);\n",
"System.out.format(\"Converted to lowercase - \\\"%s\\\"%n\",\n",
" greekLower);"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "zzmw32CyiWPt"
},
"source": [
"## Upper Case\n",
"\n",
"[**U+1E9E LATIN CAPITAL LETTER SHARP S**](http://unicode.org/versions/Unicode5.1.0/#Tailored_Casing_Operations)\n",
"\n",
"In particular, capital sharp s is intended for typographical representations of signage and uppercase titles, and other environments where users require the sharp s to be preserved in uppercase. Overall, such usage is rare. In contrast, standard German orthography uses the string \"SS\" as uppercase mapping for small sharp s. Thus, with the default Unicode casing operations, capital sharp s will lowercase to small sharp s, but not the reverse: small sharp s uppercases to \"SS\". In those instances where the reverse casing operation is needed, a tailored operation would be required.\n",
"\n",
"When the German word \"straße\" is converted to uppercase \"STRASSE\", notice that the string lengths are different."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"id": "RhNr09lOiWPt"
},
"outputs": [],
"source": [
"final String germanWord = \"straße\"; // street\n",
"final String germanUpper = germanWord.toUpperCase();\n",
"final String germanLower = germanUpper.toLowerCase();\n",
"\n",
"System.out.format(\"German \\\"street\\\" - \\\"%s\\\" - length %d%n\",\n",
" germanWord,\n",
" germanWord.length());\n",
"System.out.format(\"Converted to uppercase - \\\"%s\\\" - length %d%n\",\n",
" germanUpper,\n",
" germanUpper.length());\n",
"System.out.format(\"Converted to lowercase - \\\"%s\\\" - length %d%n\",\n",
" germanLower,\n",
" germanLower.length());"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "97uJhUn_iWPt"
},
"source": [
"## Incorrect Character Conversions"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"id": "yVaWHFk3iWPt"
},
"outputs": [],
"source": [
"final char germanChar = 'ß';\n",
"final char germanCharUpper = Character.toUpperCase(germanChar);\n",
"System.out.format(\"%s becomes %s in uppercase%n\",\n",
" germanChar,\n",
" germanCharUpper);\n",
"System.out.format(\"Same char? %b\", germanChar == germanCharUpper);"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Java",
"language": "java",
"name": "java"
},
"language_info": {
"codemirror_mode": "java",
"file_extension": ".jshell",
"mimetype": "text/x-java-source",
"name": "java",
"pygments_lexer": "java",
"version": "17.0.6+9-LTS-190"
},
"colab": {
"provenance": [],
"include_colab_link": true
}
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"#@title Prepare Google Colab for IJava Kernel\n",
"\n",
"%%sh\n",
"# Install java kernel\n",
"wget -q https://github.com/SpencerPark/IJava/releases/download/v1.3.0/ijava-1.3.0.zip\n",
"unzip -q ijava-1.3.0.zip\n",
"python install.py\n",
"\n",
"# Install proxy for the java kernel\n",
"wget -qO- https://gist.github.com/SpencerPark/e2732061ad19c1afa4a33a58cb8f18a9/archive/b6cff2bf09b6832344e576ea1e4731f0fb3df10c.tar.gz | tar xvz --strip-components=1\n",
"python install_ipc_proxy_kernel.py --kernel=java --implementation=ipc_proxy_kernel.py"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"----------"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Unicode Case Conversions\n",
"\n",
"Uppercasing or lowercasing a character may result in more than one character. Also, depending on the position of a character in a word, you can get a different uppercase or lowercase character."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Lower Case\n",
"\n",
"In Greek, the word for dog in lowercase is \"σκύλος\". Notice that the first and last letter are both sigma."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"final String greekWord = \"ΣΚΎΛΟΣ\"; // dog\n",
"final String greekUpper = greekWord.toUpperCase();\n",
"final String greekLower = greekUpper.toLowerCase();\n",
"\n",
"System.out.format(\"Greek \\\"dog\\\" - \\\"%s\\\" - length %d%n\",\n",
" greekWord,\n",
" greekWord.length());\n",
"System.out.format(\"Converted to uppercase - \\\"%s\\\"%n\",\n",
" greekUpper);\n",
"System.out.format(\"Converted to lowercase - \\\"%s\\\"%n\",\n",
" greekLower);"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Upper Case\n",
"\n",
"[**U+1E9E LATIN CAPITAL LETTER SHARP S**](http://unicode.org/versions/Unicode5.1.0/#Tailored_Casing_Operations)\n",
"\n",
"In particular, capital sharp s is intended for typographical representations of signage and uppercase titles, and other environments where users require the sharp s to be preserved in uppercase. Overall, such usage is rare. In contrast, standard German orthography uses the string \"SS\" as uppercase mapping for small sharp s. Thus, with the default Unicode casing operations, capital sharp s will lowercase to small sharp s, but not the reverse: small sharp s uppercases to \"SS\". In those instances where the reverse casing operation is needed, a tailored operation would be required.\n",
"\n",
"When the German word \"straße\" is converted to uppercase \"STRASSE\", notice that the string lengths are different."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"final String germanWord = \"straße\"; // street\n",
"final String germanUpper = germanWord.toUpperCase();\n",
"final String germanLower = germanUpper.toLowerCase();\n",
"\n",
"System.out.format(\"German \\\"street\\\" - \\\"%s\\\" - length %d%n\",\n",
" germanWord,\n",
" germanWord.length());\n",
"System.out.format(\"Converted to uppercase - \\\"%s\\\" - length %d%n\",\n",
" germanUpper,\n",
" germanUpper.length());\n",
"System.out.format(\"Converted to lowercase - \\\"%s\\\" - length %d%n\",\n",
" germanLower,\n",
" germanLower.length());"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Incorrect Character Conversions"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"final char germanChar = 'ß';\n",
"final char germanCharUpper = Character.toUpperCase(germanChar);\n",
"System.out.format(\"%s becomes %s in uppercase%n\",\n",
" germanChar,\n",
" germanCharUpper);\n",
"System.out.format(\"Same char? %b\", germanChar == germanCharUpper);"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Java",
"language": "java",
"name": "java"
},
"language_info": {
"codemirror_mode": "java",
"file_extension": ".jshell",
"mimetype": "text/x-java-source",
"name": "java",
"pygments_lexer": "java",
"version": "17.0.6+9-LTS-190"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
"nbformat": 4,
"nbformat_minor": 0
}

0 comments on commit f67f572

Please sign in to comment.