ZHAWNotes/Notes/Semester 2/PROG2 - Programmieren 2/MicrosoftJava.ipynb

336 lines
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{
"cells": [
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"vscode": {
"languageId": "dotnet-interactive.csharp"
}
},
"outputs": [
{
"data": {
"text/html": [
"<div class=\"dni-plaintext\">572</div>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"data": {
"text/html": [
"<div class=\"dni-plaintext\">772</div>"
]
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"metadata": {},
"output_type": "display_data"
}
],
"source": [
"List<int> numbers = new List<int>(){ 1, 7, 18, 48, 28, 20, 17, 458 };\n",
"IEnumerable<int> evenNumbers = numbers.Skip(1).Where(n => n % 2 == 0);\n",
"DisplayExtensions.Display(evenNumbers.Sum());\n",
"numbers.Add(200);\n",
"DisplayExtensions.Display(evenNumbers.Sum());"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"vscode": {
"languageId": "dotnet-interactive.csharp"
}
},
"outputs": [
{
"data": {
"text/html": [
"<table><thead><tr><th><i>index</i></th><th>value</th></tr></thead><tbody><tr><td>0</td><td><div class=\"dni-plaintext\">4</div></td></tr><tr><td>1</td><td><div class=\"dni-plaintext\">36</div></td></tr><tr><td>2</td><td><div class=\"dni-plaintext\">144</div></td></tr></tbody></table>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"Func<int, bool> isEven = n => n % 2 == 0;\n",
"DisplayExtensions.Display(\n",
" new List<int>(){3, 6, 6, 5, 2, 12, 11, 13}.Skip(2).Where(isEven).Select(n => n * n).OrderBy(n => n).ToArray());"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"vscode": {
"languageId": "dotnet-interactive.csharp"
}
},
"outputs": [
{
"data": {
"text/html": [
"<table><thead><tr><th><i>index</i></th><th>value</th></tr></thead><tbody><tr><td>0</td><td><div class=\"dni-plaintext\">2</div></td></tr><tr><td>1</td><td><div class=\"dni-plaintext\">3</div></td></tr><tr><td>2</td><td><div class=\"dni-plaintext\">6</div></td></tr><tr><td>3</td><td><div class=\"dni-plaintext\">5</div></td></tr><tr><td>4</td><td><div class=\"dni-plaintext\">12</div></td></tr><tr><td>5</td><td><div class=\"dni-plaintext\">13</div></td></tr><tr><td>6</td><td><div class=\"dni-plaintext\">11</div></td></tr></tbody></table>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"DisplayExtensions.Display(\n",
" new List<List<int>>(){ new List<int>(){2, 3, 6, 5}, new List<int>(){ 12, 13, 11 } }.SelectMany(l => l).ToArray());"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"vscode": {
"languageId": "dotnet-interactive.csharp"
}
},
"outputs": [
{
"data": {
"text/html": [
"<div class=\"dni-plaintext\">55</div>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"data": {
"text/html": [
"<div class=\"dni-plaintext\">5</div>"
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},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"List<int> numbers = new List<int>(){3, 6, 2, 5, 6, 12, 11, 13};\n",
"Func<int, bool> isEven = n => n % 2 == 0;\n",
"DisplayExtensions.Display(\n",
" numbers.Where(isEven)\n",
" .Select(n => n * n)\n",
" .Average());\n",
"\n",
"DisplayExtensions.Display(\n",
" numbers.Where(i => i > 4)\n",
" .OrderBy(i => i)\n",
" .FirstOrDefault());"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"vscode": {
"languageId": "dotnet-interactive.csharp"
}
},
"outputs": [
{
"data": {
"text/html": [
"<table><thead><tr><th><i>index</i></th><th>value</th></tr></thead><tbody><tr><td>0</td><td><div class=\"dni-plaintext\">6</div></td></tr><tr><td>1</td><td><div class=\"dni-plaintext\">2</div></td></tr><tr><td>2</td><td><div class=\"dni-plaintext\">6</div></td></tr><tr><td>3</td><td><div class=\"dni-plaintext\">12</div></td></tr></tbody></table>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"data": {
"text/html": [
"<table><thead><tr><th><i>index</i></th><th>value</th></tr></thead><tbody><tr><td>0</td><td><div class=\"dni-plaintext\">[ 3, 5, 11, 13 ]</div></td></tr><tr><td>1</td><td><div class=\"dni-plaintext\">[ 6, 2, 12 ]</div></td></tr></tbody></table>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"data": {
"text/html": [
"<table><thead><tr><th><i>index</i></th><th>value</th></tr></thead><tbody><tr><td>0</td><td><div class=\"dni-plaintext\">9</div></td></tr><tr><td>1</td><td><div class=\"dni-plaintext\">36</div></td></tr><tr><td>2</td><td><div class=\"dni-plaintext\">4</div></td></tr><tr><td>3</td><td><div class=\"dni-plaintext\">25</div></td></tr><tr><td>4</td><td><div class=\"dni-plaintext\">144</div></td></tr><tr><td>5</td><td><div class=\"dni-plaintext\">121</div></td></tr><tr><td>6</td><td><div class=\"dni-plaintext\">169</div></td></tr></tbody></table>"
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"metadata": {},
"output_type": "display_data"
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{
"data": {
"text/plain": [
"[3;6;2;5;6;12;11;13]"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"List<int> numbers = new List<int>(){3, 6, 2, 5, 6, 12, 11, 13};\n",
"Func<int, bool> isEven = n => n % 2 == 0;\n",
"\n",
"DisplayExtensions.Display(\n",
" numbers.Where(isEven)\n",
" .ToList());\n",
"\n",
"DisplayExtensions.Display(\n",
" numbers.Distinct()\n",
" .GroupBy(i => isEven(i) ? \"Even\" : \"Odd\"));\n",
"\n",
"DisplayExtensions.Display(\n",
" numbers.Distinct().Select(i => i * i));\n",
"\n",
"DisplayExtensions.Display(\n",
" $\"[{String.Join(\";\", numbers.ToArray())}]\");"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"vscode": {
"languageId": "dotnet-interactive.csharp"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Filter: 3\r\n",
"Filter: 2\r\n",
"Map: 2 => 4\r\n",
"Filter: 12\r\n",
"Map: 12 => 144\r\n",
"Reduce: aggregate=4 next=144 => 148\r\n",
"Filter: 5\r\n",
"Filter: 13\r\n",
"Filter: 11\r\n"
]
},
{
"data": {
"text/html": [
"<div class=\"dni-plaintext\">148</div>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"DisplayExtensions.Display(\n",
" new List<int>(){3, 2, 12, 5, 13, 11}.Select(\n",
" (i) =>\n",
" {\n",
" Console.WriteLine($\"Filter: {i}\");\n",
" return i;\n",
" })\n",
" .Where(i => i % 2 == 0)\n",
" .Select(\n",
" (i) =>\n",
" {\n",
" int result = i * i;\n",
" Console.WriteLine($\"Map: {i} => {result}\");\n",
" return result;\n",
" })\n",
" .Aggregate(\n",
" (sum, nextValue) =>\n",
" {\n",
" int result = sum + nextValue;\n",
" Console.WriteLine($\"Reduce: aggregate={sum} next={nextValue} => {result}\");\n",
" return result;\n",
" }));"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"vscode": {
"languageId": "dotnet-interactive.csharp"
}
},
"outputs": [
{
"data": {
"text/html": [
"<table><thead><tr><th><i>index</i></th><th>value</th></tr></thead><tbody><tr><td>0</td><td>This</td></tr><tr><td>1</td><td>is</td></tr><tr><td>2</td><td>test</td></tr></tbody></table>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"data": {
"text/html": [
"<table><thead><tr><th><i>index</i></th><th>value</th></tr></thead><tbody><tr><td>0</td><td>This</td></tr><tr><td>1</td><td>is</td></tr><tr><td>2</td><td>test</td></tr></tbody></table>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"data": {
"text/html": [
"<table><thead><tr><th><i>index</i></th><th>value</th></tr></thead><tbody><tr><td>0</td><td>This</td></tr><tr><td>1</td><td>is</td></tr><tr><td>2</td><td>test</td></tr><tr><td>3</td><td>another1</td></tr></tbody></table>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"List<string> lines = new List<string>(){\"This\", \"is\", \"a\", \"test\"};\n",
"IEnumerable<string> linesWithEvenCount = lines.Where(line => line.Length % 2 == 0);\n",
"DisplayExtensions.Display(linesWithEvenCount);\n",
"DisplayExtensions.Display(linesWithEvenCount.ToArray());\n",
"lines.Add(\"another\");\n",
"lines.Add(\"another1\");\n",
"DisplayExtensions.Display(linesWithEvenCount.ToArray());"
]
}
],
"metadata": {
"kernelspec": {
"display_name": ".NET (C#)",
"language": "C#",
"name": ".net-csharp"
},
"language_info": {
"name": "C#"
}
},
"nbformat": 4,
"nbformat_minor": 2
}