--- a
+++ b/network/subCommNet.java
@@ -0,0 +1,72 @@
+package network;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class subCommNet {
+
+	public static void main(String[] args) throws IOException {
+		// TODO Auto-generated method stub
+		
+//		String disfile = "/Users/zhengc/Projects/AD_comorbidity/data/AD_commobidity.txt";
+//		String netfile = "/Users/zhengc/workspace/FARES/data/FARES/network/fares_comm_net_conf_ISMB_final_public.txt";
+//		String subnetfile = "/Users/zhengc/Projects/AD_comorbidity/data/fares_comm_net_sub_AD.txt";
+		
+		String disfile = "/Users/zhengc/workspace/FARES_final/analysis/AD_comorbidity/data/AD_commobidity_rw_lift.txt";
+		String netfile = "/Users/zhengc/workspace/FARES_final/analysis/network/DCN/fares_comm_net_lift_final_abbr.txt";
+		String subnetfile = "/Users/zhengc/workspace/FARES_final/analysis/network/DCN/fares_comm_net_lift_sub_AD.txt";
+		List<String> dislist = getDisList(disfile);
+		for (String dis: dislist) {
+			System.out.println(dis);
+		}
+		createSubCommNet(dislist, netfile, subnetfile);
+	}
+	
+//	public CommGraph createSubCommNet(List<String> dlist, CommGraph cg) {
+//		SparseMatrix comMatrix = cg.getNet();
+//		CommGraph subcommnet = new CommGraph(dlist.size());
+//		for (String dis : dlist) {
+//			SparseVector neibors = cg.getNet().getNeibor(dis);
+//			
+//		}
+//		
+//		return subcommnet;
+//	}
+	public static List<String> getDisList(String disfile) throws IOException{
+		List<String> dislist = new ArrayList<>();
+		BufferedReader br = new BufferedReader(new FileReader(new File(disfile)));
+		String line = null;
+		while((line = br.readLine()) != null) {
+			String dis = line.split("\\|")[0];
+			dislist.add(dis);
+		}
+		br.close();
+		return dislist;
+	}
+	
+	public static void createSubCommNet(List<String> dlist, String netfile, String subnetfile) throws IOException {
+		BufferedReader br = new BufferedReader(new FileReader(new File(netfile)));
+		BufferedWriter bw = new BufferedWriter(new FileWriter(new File(subnetfile)));
+		String line = br.readLine();
+		while ((line = br.readLine()) != null) {
+			String[] parts = line.split("\\|");
+			String dis1 = parts[1];
+			String dis2 = parts[6].replace("-- ", "");
+			if (dlist.contains(dis1) & dlist.contains(dis2)) {
+				line = line.replace("-- ", "");
+				bw.write(line + "\n");
+			}
+		}
+		br.close();
+		bw.close();
+		
+	}
+
+}