Recap - HashSet
Parte de la sección Lógica y Flujo del Journey de C# de Coddy — lección 61 de 66.
Desafío
FácilCrea un método llamado ProcessHashSet que realiza múltiples operaciones en un HashSet:
- Crea un nuevo HashSet de cadenas
- Agrega tres nombres de frutas: "Apple", "Banana" y "Orange"
- Imprime si "Mango" existe en el conjunto (usa el formato: "Contains Mango: True/False")
- Intenta agregar "Apple" nuevamente e imprime si se agregó (usa el formato: "Added Apple again: True/False")
- Elimina "Banana" e imprime si se eliminó exitosamente (usa el formato: "Removed Banana: True/False")
- Imprime la cantidad actual de elementos (usa el formato: "Count: N")
- Devuelve el HashSet
Pruébalo tú mismo
using System;
using System.Collections.Generic;
class Program
{
public static HashSet<string> ProcessHashSet()
{
// Escribe tu código aquí
return null;
}
static void Main(string[] args)
{
HashSet<string> result = ProcessHashSet();
if (result != null)
{
Console.WriteLine(string.Join(", ", result));
}
}
}Todas las lecciones de Lógica y Flujo
1Multi-dimensional Arrays
2D Arrays BasicsDeclaring and Initializing 2DAccessing 2D Array ElementsNested Loops with 2D ArraysJagged ArraysCommon Matrix OperationsRecap - Multi-dimensional4Flow Control Techniques
Early ReturnsGuard ClausesJump Statements (goto)Break and ContinueFlatten Nested Conditionals7Logical Operators Advanced
Short-Circuit EvaluationConditional Logical OperatorsOperator PrecedenceRecap - Advanced Operators2Advanced Decision Making
Multiple ConditionsComplex Boolean LogicIf vs. Switch ComparisonNested Switch StatementsRecap - Advanced Decisions5Exception Handling
Try-Catch BasicsException TypesMultiple Catch BlocksWorking with FilesFinally BlockUsing vs. Try-FinallyCustom ExceptionsRecap - Error Handling8Data Analysis System
Data Collection SetupData Entry Logic11HashSet Part 1
What is a HashSet?Adding an ElementRemoving an ElementChecking if an Element ExistsEmpty and SizeRecap - HashSet3Loop Enhancements
Loop PerformanceIterating ComplexEach Loop TypeRefactoring LoopsRecap - Optimized Loops6Null Handling
Null Reference BasicsNullable Value TypesNull Checking PatternsDefensive ProgrammingRecap - Null Safety