static void Main(string[] args)
{
List <college> l = new List <college>()
{
new college()
{
id = 43, studentname = "veeru", lastname = "rallabandi", branch = "MCA"
},
new college()
{
id = 51, studentname = "maheshmadhu", lastname = "goteti", branch = "MCA3"
}
};
//create instance of Democomparer
DemoCompare d = new DemoCompare();
//using Method syntax
//It return true bcoz pass two arguments
var res1 = l.Contains(new college()
{
id = 43, studentname = "veeru", lastname = "rallabandi", branch = "MCA"
}, d);
Console.WriteLine(res1);
var stu = new college()
{
id = 55, studentname = "ravi", lastname = "kumara", branch = "MPC"
};
//using Query syntax
var res2 = (from i in l select i).Contains(stu, d);
Console.WriteLine(res2);
}
static void Main(string[] args)
{
List <int> l = new List <int>()
{
32, 22, 34, 36, 71, 25
};
//using Method syntax
var res1 = l.Contains(22);
Console.WriteLine(res1);
//Using Query syntax
var res2 = (from i in l select i).Contains(22);
Console.WriteLine(res2);
//
string[] s = { "veerababu", "madhu", "mahesh", "sampath" };
//It is belongs to System.Collections.Generic
bool res3 = s.Contains("madhu");
Console.WriteLine(res3);
//It is belongs to System.Linq
var res5 = s.AsEnumerable().Contains("veerabau");
Console.WriteLine(res5);
var res4 = (from i in s select i).Contains("mahesh");
Console.WriteLine(res4);
//using custom type
college c1 = new college()
{
id = 12, branch = "MCA", studentname = "veeru", lastname = "rallabandi"
};
var res6 = college.getdatails().Contains(c1);
Console.WriteLine(res6);
var res7 = (from i in college.getdatails() select i).Contains(c1);
Console.WriteLine(res7);
//using Method syntax
List <college> ll = new List <college>();
//only checks reference not values
var res8 = ll.Contains(new college()
{
id = 19, branch = "MCA", studentname = "veeru", lastname = "rallabandi"
});
Console.WriteLine(res8);
}