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# Exercise Title Features Description Platform Keywords
1 Practising reading a file and printing the third element in each line of the file Construct a program that opens up a file and prints out the third element in each line of the file jsParsons exception handling, file i/o
2 File Processing 1 Python PredictingFinalResult for demonstrating File Processing 1 QuizPET file i/o
3 Reading from a text file Python BehaviorExample for demonstrating Reading from a text file WebEx file i/o
4 Writing to a text file Python BehaviorExample for demonstrating Writing to a text file WebEx file i/o
5 ae_python_file Python CodeVisualization for demonstrating ae_python_file JSVEE file i/o
6 File processing 2 Python PredictingFinalResult for demonstrating File processing 2 QuizPET algorithm analysis, file i/o
7 File processing 3 Python PredictingFinalResult for demonstrating File processing 3 QuizPET algorithm analysis, file i/o
8 Printing file contents Construct a program that opens up a file and prints out each line of the file jsParsons exception handling, file i/o
9 q_py_file1_es Python PredictingFinalResult for demonstrating q_py_file1_es QuizPET file i/o
10 q_py_file2_es Python PredictingFinalResult for demonstrating q_py_file2_es QuizPET file i/o
11 q_py_file3_es Python PredictingFinalResult for demonstrating q_py_file3_es QuizPET file i/o
12 q_py_rw_file1_es Python PredictingFinalResult for demonstrating q_py_rw_file1_es QuizPET file i/o
13 q_py_rw_file2_es Python PredictingFinalResult for demonstrating q_py_rw_file2_es QuizPET file i/o
14 Practicar la lectura de archivos e imprimir el tercer elemento de cada línea Construye un programa que abra un archivo y muestre el tercer elemento de cada linea del archivo jsParsons file i/o
15 Practicar leer un archivo e imprimir su contenido Construye un programa que abra un archivo e imprima cada linea del archivo jsParsons file i/o
16 Class 2 (BankAccount) Java PredictingFinalResult for demonstrating Class 2 (BankAccount) QuizJET classes, exceptions, file i/o, methods, objects
17 Class (Cash Register) Java PredictingFinalResult for demonstrating Class (Cash Register) QuizJET classes, constructors, exceptions, file i/o, methods, objects, overloading
18 Class 5 (Point) Java PredictingFinalResult for demonstrating Class 5 (Point) QuizJET classes, exceptions, file i/o, methods, objects
19 Files 1 Python CodeVisualization for demonstrating Files 1 JSVEE algorithm analysis, file i/o
20 Files 2 Python CodeVisualization for demonstrating Files 2 JSVEE algorithm analysis, file i/o
21 Java Testing Review Questions Question, Battery CS1-level review questions on file I/O testing in Java. OpenDSA Testing
22 Comparing the List of Words from Two Files Construct a program that reads two text files and creates a list of the words that each of these files... PCEX
23 Comparing the List of Words from Two Files Construct a program that reads two text files and creates a list of the words that each of these files... PCEX
24 Imprimir un Patron de Estrellas en Forma de Triangulo Rectangulo Invertido Un patrón de estrellas en forma de triángulo rectángulo invertido de N filas contiene N-i+1 asteriscos en la i-ésima fila.... PCEX
25 File Handling PCEX Set of activities for File Handling PCEX
26 Reporting File Information (Case 1) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
27 Reporting File Information (Case 2) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
28 Reporting File Information (Case 1) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
29 Reporting File Information (Case 2) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
30 py_file_input_stat PCEX Set of activities for py_file_input_stat PCEX
31 Reporting File Information (Case 1) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
32 Reporting File Information (Case 2) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
33 py_file_input_stat_es PCEX Set of activities for py_file_input_stat_es PCEX
34 check_file C++ BehaviorExample for demonstrating check_file AnnEx
35 pass_file C++ BehaviorExample for demonstrating pass_file AnnEx
36 Writing to file Write a program that will enter the first and last name of the student, as well as the average grade,... PCEX
37 create_seq_file C++ BehaviorExample for demonstrating create_seq_file AnnEx
38 pointer_seq_file C++ BehaviorExample for demonstrating pointer_seq_file AnnEx
39 rand_access_file C++ BehaviorExample for demonstrating rand_access_file AnnEx
40 read_seq_file C++ BehaviorExample for demonstrating read_seq_file AnnEx
41 write_info_rand_file C++ BehaviorExample for demonstrating write_info_rand_file AnnEx
42 Creating a List of Words from a File Construct a program that reads a text file and creates a list of the words that the file contains, ignoring... PCEX
43 Creating a List of Words from a File Construct a program that reads a text file and creates a list of the words that the file contains, ignoring... PCEX
44 Multiway Merge Proficiency Exercise Tracing Exercise Interactive algorithm proficiency exercise for multiway merge. User clicks on positions in the array to reproduce the behavior of multiway... OpenDSA File Processing, External Sorting, Multiway Merge
45 Replacement Selection Proficiency Exercise Tracing Exercise Interactive algorithm proficiency exercise for the replacement selection algorithm. User clicks on heap nodes to reproduce the behavior of replacement... OpenDSA File Processing, External Sorting, Replacement Selection
46 Java Output Review Questions Question, Battery CS1-level introduction to output in Java review questions. OpenDSA File Processing
47 Java Input Review Questions Question, Battery CS1-level introduction to Java input review questions. OpenDSA File Processing, Scanner
48 Motivation for External Sorting Slideshow Algorithm Visualization Slideshow illustrating standard Mergesort does not make for an optimal external sorting algorithm. OpenDSA File Processing, External Sorting
49 Mergesort Modified for External Sorting Algorithm Visualization Slideshow illustrating simple modifications to Mergesort to make a better external sorting algorithm. OpenDSA File Processing, External Sorting, Mergesort
50 Multiway Merge Slideshow Algorithm Visualization Slideshow illustrating multiway merge in an external sorting algorithm. OpenDSA File Processing, External Sorting, Mergesort, Multiway Merge
51 External Replacement Selection Slideshow Algorithm Visualization Slideshow illustrating the replacement selection algorithm, used for external sorting. OpenDSA File Processing, External Sorting, Replacement Selection
52 Simple linear index Slideshow Algorithm Visualization Slideshow showing a simple linear index for variable length records stored on disk. OpenDSA Linear Indexing, File Processing
53 Reporting the Total Hours Each Employee Worked (Case 1) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
54 Reporting the Total Hours Each Employee Worked (Case 2) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
55 Reporting the Total Hours Each Employee Worked (Case 1) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
56 Reporting the Total Hours Each Employee Worked (Case 2) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
57 Reporting the Total Hours Each Employee Worked (Case 1) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
58 Reporting the Total Hours Each Employee Worked (Case 2) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
59 CopyFileTo A Java program that demonstrate copying a text file. PCEX
60 PrintFileContent Read and print the contents of a text file. PCEX
61 Bills statistics Write a program that combines the content of two files and saves it to a third file. The first file... PCEX
62 My books The book is described by identifier, title, authors, publisher, unit price and year of publication. There cannot be two books... PCEX
63 Files PCEX Set of activities for Files PCEX
64 files.j_input_stat PCEX Set of activities for files.j_input_stat PCEX
65 files.j_input_stat PCEX Set of activities for files.j_input_stat PCEX
66 files.j_work_hours PCEX Set of activities for files.j_work_hours PCEX
67 files.j_work_hours PCEX Set of activities for files.j_work_hours PCEX
68 check_file2 C++ BehaviorExample for demonstrating check_file2 AnnEx
69 arrays.j_array_fill PCEX Set of activities for arrays.j_array_fill PCEX
70 arrays.j_array_fill PCEX Set of activities for arrays.j_array_fill PCEX
71 py_list_fill PCEX Set of activities for py_list_fill PCEX
72 py_list_fill_llm PCEX Set of activities for py_list_fill_llm PCEX
73 pointer_seq_file2 C++ BehaviorExample for demonstrating pointer_seq_file2 AnnEx
74 Parameter Passing Comparison of Five Methods Tracing Exercise A collection of self-practice questions to compare parameter passing by five methods. OpenDSA Parameter Passing
75 Imprimir Tabla de Conteo de Medallas con Totales por Fila Supongamos que tenemos una matriz de 7x4 que almacena el número de medallas que siete países ganaron en las competencias... PCEX
76 Imprimir Tabla de Conteo de Medallas con Totales por Fila y por Columna Supongamos que tenemos una matriz de 7x4 que almacena el número de medallas que siete países ganaron en las competencias... PCEX
77 Given a two-dimensional array of integers, row/column positions r, c, and a value x, fill the given element and its neighbors in the compass directions N E S W NE NW SE SW with x. Code Completion Given a two-dimensional array of integers, row/column positions r, c, and a value x, fill the given element and its... CodeCheck Two-Dimensional Arrays, Looping over Neighbors
78 Updating an Element in the Array (Case 2) Construct a program that initializes an array with five floating-point numbers, changes the second element in the array, and finally,... PCEX
79 Updating an Element in the Array (Case 2) Construct a program that initializes an array with five floating-point numbers, changes the second element in the array, and finally,... PCEX
80 Updating an Element in the List (Case 2) Construct a program that initializes a list with five floating-point numbers, changes the second element in the list, and finally,... PCEX
81 Updating an Element in the List (Case 2). Construct a program that initializes a list with five floating-point numbers, changes the second element in the list, and finally,... PCEX
82 Imprimir un Patron de Estrellas en Forma de Triangulo Rectangulo Un patrón de estrellas en forma de triángulo rectángulo contiene N asteriscos en la N-ésima fila. Construya un programa que... PCEX
83 Repeat where the row lengths don't have to match. Code Completion Repeat where the row lengths don't have to match. Fill the shorter array with zeroes. CodeCheck Two-Dimensional Arrays, Producing 2D Arrays
84 Greatest Common Factor Construct a program that recursively finds and returns the great common factor between of two integers. This is a simple... PCEX