rds tutorial

_notebooks/2023-04-20-test.ipynb

@@ -0,0 +1,160 @@
+{
+ "cells": [
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Test\n",
+    "- toc: true \n",
+    "- badges: true\n",
+    "- comments: true\n",
+    "- categories: [jupyter, FRQs]\n",
+    "- image: images/chart-preview.png"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "\n",
+    "1. Define 1 argument constructor for Java for book\n",
+    "2. Define toString method for title, and a testor method\n",
+    "3. Generate unique id for class\n",
+    "4. Create a public getter that has a book count\n",
+    "5. Define tester method that intializes st least 2 books, outputs id and title, and provides a count of books in library"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "public class Book\n",
+    "{\n",
+    "    String = title; \n",
+    "    double = id; \n",
+    "    int = numberOfBooks;\n",
+    "    int1 = book1;\n",
+    "    int2 = book2;\n",
+    "\n",
+    "    String () = booktitle;\n",
+    "    {\n",
+    "        public Book (title)\n",
+    "        {\n",
+    "            double bookCount = int1 + int2;\n",
+    "            this.get = bookCount;\n",
+    "\n",
+    "        }\n",
+    "    \n",
+    "        public void toString \n",
+    "        {\n",
+    "            this.get = bookCount;\n",
+    "            this.generate \n",
+    "        }\n",
+    "    }\n",
+    "            System.out.println(\"There are two books in the library\");\n",
+    "            System.out.println(\"\")\n",
+    "            System.out.println(\"The number of books is\" +bookCount \"in the library\");\n",
+    "    return bookCount; \n",
+    "}"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Part 1"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Title: Brave New World, ID: 1\n",
+      "Title: Things Fall Apart, ID: 2\n",
+      "Total number of books: 2\n"
+     ]
+    }
+   ],
+   "source": [
+    "public class Book {\n",
+    "    private static int bookCount = 0;\n",
+    "    private int id;\n",
+    "    private String title;\n",
+    "    \n",
+    "    public Book(String title) {\n",
+    "        this.title = title;\n",
+    "        id = ++bookCount;\n",
+    "    }\n",
+    "    \n",
+    "    @Override\n",
+    "    public String toString() {\n",
+    "        return \"Title: \" + title;\n",
+    "    }\n",
+    "    \n",
+    "    public int getId() {\n",
+    "        return id;\n",
+    "    }\n",
+    "    \n",
+    "    public static int getBookCount() {\n",
+    "        return bookCount;\n",
+    "    }\n",
+    "    public static void main(String[] args) {\n",
+    "        Book book1 = new Book(\"Brave New World\");\n",
+    "        Book book2 = new Book(\"Things Fall Apart\");\n",
+    "        \n",
+    "        System.out.println(book1.toString() + \", ID: \" + book1.getId());\n",
+    "        System.out.println(book2.toString() + \", ID: \" + book2.getId());\n",
+    "        System.out.println(\"Total number of books: \" + Book.getBookCount());\n",
+    "    }\n",
+    "}\n",
+    "Book.main(null);"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "public class Fiction extends Book\n",
+    "{\n",
+    "    private String title; \n",
+    "    private String author; \n",
+    "    private String shelfLife; \n",
+    "    \n",
+    "    \n",
+    "\n",
+    "\n",
+    "}"
+   ]
+  }
+ ],
+ "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": "11.0.16+8-post-Ubuntu-0ubuntu120.04"
+  },
+  "orig_nbformat": 4
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}

_notebooks/2023-04-25-units-1-4-hacks.ipynb

@@ -23,11 +23,7 @@
   {
    "cell_type": "code",
    "execution_count": 1,
-   "metadata": {
-    "vscode": {
-     "languageId": "java"
-    }
-   },
+   "metadata": {},
    "outputs": [
     {
      "name": "stdout",
@@ -69,11 +65,7 @@
   {
    "cell_type": "code",
    "execution_count": 19,
-   "metadata": {
-    "vscode": {
-     "languageId": "java"
-    }
-   },
+   "metadata": {},
    "outputs": [
     {
      "name": "stdout",
@@ -154,11 +146,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "vscode": {
-     "languageId": "java"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "public class Car {\n",
@@ -230,7 +218,7 @@
    "codemirror_mode": "java",
    "file_extension": ".jshell",
    "mimetype": "text/x-java-source",
-   "name": "Java",
+   "name": "java",
    "pygments_lexer": "java",
    "version": "11.0.16+8-post-Ubuntu-0ubuntu120.04"
   },