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Rohan Group Homework
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@PranavP04
PranavP04 committed Apr 26, 2023
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Expand Up @@ -96,6 +96,281 @@
"}\n",
"SeatingChart.main(null);"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Hack 1"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"vscode": {
"languageId": "java"
}
},
"outputs": [],
"source": [
"//create ArrayLists that satisfy the following\n",
"// a) that stores Boolean values\n",
"ArrayList<Boolean> boolList = new ArrayList<Boolean>();\n",
"// b) that stores Turtle Objects\n",
"ArrayList<Turtle> turtleList = new ArrayList<Turtle>();\n",
"// c) that initializes with 10 Strings\n",
"ArrayList<String> stringList = new ArrayList<String>(Arrays.asList(\"one\", \"two\", \"three\", \"four\", \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"ten\"));"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Hack 2"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"vscode": {
"languageId": "java"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"ArrayList: [1, 4, 7, 12, 23]\n"
]
}
],
"source": [
"import java.util.ArrayList;\n",
"\n",
"public class Hack2 {\n",
" public static void main(Integer[] args) {\n",
" ArrayList<Integer> randomNumbers = new ArrayList<Integer>();\n",
" randomNumbers.add(1);\n",
" randomNumbers.add(4);\n",
" randomNumbers.add(7);\n",
" randomNumbers.add(12);\n",
" randomNumbers.add(23);\n",
" System.out.println(\"ArrayList: \" + randomNumbers);\n",
"\n",
" ;\n",
" ;\n",
" ;\n",
" }\n",
"}\n",
"Hack2.main(null);"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Hack 3"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"vscode": {
"languageId": "java"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"ArrayList: [1, 4, 7, 12, 23]\n",
"Total: 47\n"
]
}
],
"source": [
"public class Hack3 {\n",
" public static void main(String[] args) {\n",
" ArrayList<Integer> values = new ArrayList<Integer>();\n",
" values.add(1);\n",
" values.add(4);\n",
" values.add(7);\n",
" values.add(12);\n",
" values.add(23);\n",
" System.out.println(\"ArrayList: \" + values);\n",
"\n",
" int total = 0;\n",
"\n",
" for (int i=0; i < values.size(); i++) {\n",
" total += values.get(i);\n",
" }\n",
"\n",
" System.out.println(\"Total: \" + total);\n",
" }\n",
"}\n",
"\n",
"Hack3.main(null);"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Hack 4"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"vscode": {
"languageId": "java"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"11 12 22 25 64 "
]
}
],
"source": [
"public class SelectionSort {\n",
" public static void main(String[] args) {\n",
" int[] arr = {64, 25, 12, 22, 11};\n",
" for (int i = 0; i < arr.length; i++) {\n",
" for (int j = i + 1; j < arr.length; j++) {\n",
" if (arr[j] < arr[i]) {\n",
" // Swap the elements\n",
" int temp = arr[i];\n",
" arr[i] = arr[j];\n",
" arr[j] = temp;\n",
" }\n",
" }\n",
" System.out.print(arr[i] + \" \");\n",
" }\n",
" }\n",
"}\n",
"\n",
"SelectionSort.main(null);"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Hack 5"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"vscode": {
"languageId": "java"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Elements with even indexes:\n",
"1 3 5 7 9 \n",
"Elements with odd indexes:\n",
"2 4 6 8 10 \n"
]
}
],
"source": [
"public class ArrayIndexingExample {\n",
" public static void main(String[] args) {\n",
" int[] arr = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };\n",
"\n",
" System.out.println(\"Elements with even indexes:\");\n",
" for (int i = 0; i < arr.length; i += 2) {\n",
" System.out.print(arr[i] + \" \");\n",
" }\n",
" System.out.println();\n",
"\n",
" System.out.println(\"Elements with odd indexes:\");\n",
" for (int i = 1; i < arr.length; i += 2) {\n",
" System.out.print(arr[i] + \" \");\n",
" }\n",
" System.out.println();\n",
" }\n",
"}\n",
"ArrayIndexingExample.main(null);"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Hack 7"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"vscode": {
"languageId": "java"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Sum of diagonal elements: 5\n"
]
}
],
"source": [
"public class Test1 {\n",
" public static void main(String[] args) {\n",
" int[][] array = { {1,2,3},{-1,-2,-3},{4,5,6} };\n",
" int sum = 0;\n",
"\n",
" // Iterate over the diagonal of the array\n",
" for (int i = 0; i < array.length; i++) {\n",
" sum += array[i][i];\n",
" }\n",
"\n",
" System.out.println(\"Sum of diagonal elements: \" + sum);\n",
" }\n",
"}\n",
"\n",
"Test1.main(null);"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Extra Credit"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"vscode": {
"languageId": "java"
}
},
"outputs": [],
"source": [
"// FRQ Array Lists\n"
]
}
],
"metadata": {
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