Threading paradigms available under the .NET CLR, using C#

using System;

namespace ManagedThreadCS
{
	/// <summary>
	/// Summary description for CGSR.
	/// </summary>
	public class CGSR
	{
     private String _symbol;
	 private String _currency;
	 private int    _spreadRank;
	 private int    _documentation;
	 private double _years;
     private int    _obligor;

		//public:
		public CGSR(String sym, String curr, int sr, int doc, double yrs)
		  {
		   _symbol = sym;
		   _currency = curr;
		   _spreadRank = sr;
		   _documentation = doc;
		   _years = yrs;
		  }

		public String GetSymbol() {return _symbol;}
		public String GetCurrency() {return _currency;}

		public int    GetSpreadRank() {return _spreadRank;}
		public int    GetDocumentation() {return _documentation;}
		public double GetYears() {return _years;}

		public void SetObligor(int i) {_obligor = i;}
		public int  GetObligor() {return _obligor;}

		protected CGSR() {;} // prevents instantiation without parameters
	}
}