public String StudentName;
public static void Main(string[]args)
new Student() { StudentID=1,StudentName="sravanthi",Age=17},
new Student() { StudentID=2,StudentName="navya",Age=17},
new Student() { StudentID=3,StudentName="bhavana",Age=18},
new Student() { StudentID=4,StudentName="ashwini",Age=19},
new Student() { StudentID=5,StudentName="abhinaya",Age=16},
var Names=from Student in studentArray
where Student.Age>15&&Student.Age<20
select Student.StudentName;
foreach (var Name in Names)
Console.WriteLine(Names+" ");