Explore how to handle sorting by delegate
- 2020-05-17 06:11:48
- OfStack
using System;
using System.Collections.Generic;
using System.Text;
namespace ConsoleApplication1
{
class Bubble sort
{
// The first thing to understand is bubble sorting , It's really just a comparison of the front and the back of the index , If it's bigger than this 2 The position of the values will be reversed
static void Main()
{
int[] str ={ 0, 14, 3, 6, 1, 30, 10, 9, 28 };
for (int i = 0; i < str.Length; i++)
{
for (int j = i + 1; j < str.Length; j++)
{
if (str[j] < str[i])
{
int index = str[i];
str[i] = str[j];
str[j] = index;
}
}
}
for (int m = 0; m < str.Length; m++)
{
Console.WriteLine(str[m]);
}
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace ConsoleApplication1
{
public delegate bool DelegateTest(object obj1, object obj2);
class Class1
{
static void Main()
{
Employee[] Employees =
{
new Employee("huguo",1000000),
new Employee("lili",20000),
new Employee("lulu",30000),
new Employee("xixi",50000),
new Employee("jianjian",10000),
new Employee("yoyo",9000)
};
// entrust DelegateTest The proxy method is Greate
DelegateTest MyTest = new DelegateTest(Employee.Greate);
Sorter MySort = new Sorter();
// Bubble algorithm in the first 1 Three parameters are corresponding Employees An array of information , The first 2 Two parameters are the delegate
MySort.Sort(Employees, MyTest);
for (int m = 0; m < Employees.Length; m++)
{
Console.WriteLine(Employees[m].ToString());
}
}
}
class Employee
{
public string Name;
public int Salary;
public Employee(string Name, int Salary)
{
this.Name = Name;
this.Salary = Salary;
}
// with override rewrite string methods
public override string ToString()
{
return string.Format(Name + ",{0:C},", Salary);
}
// define 1 A method of , if obj2 To get the Salary Is greater than obj1 It returns true;
public static bool Greate(object obj1, object obj2)
{
Employee Employee1 = (Employee)obj1;
Employee Employee2 = (Employee)obj2;
return (Employee2.Salary > Employee1.Salary) ? true : false;
}
}
class Sorter
{
public void Sort(object[] ArrayObj, DelegateTest Test)
{
// So here's the bubbling algorithm
for (int i = 0; i < ArrayObj.Length; i++)
{
for (int j = i + 1; j < ArrayObj.Length; j++)
{
if (Test(ArrayObj[j], ArrayObj[i]))
{
object Temp = ArrayObj[i];
ArrayObj[i] = ArrayObj[j];
ArrayObj[j] = Temp;
}
}
}
}
}
}