diff --git a/COMPRESSION/Contig.java b/COMPRESSION/Contig.java
new file mode 100644
index 0000000..c3df182
--- /dev/null
+++ b/COMPRESSION/Contig.java
@@ -0,0 +1,63 @@
+import java.util.List;
+
+public class Contig implements Comparable {
+
+    private int contigId;
+    private List<Double> fragmentSizeList;
+    private double matchedScore;
+    private int startingPosition;
+    private int endingPosition;
+
+    public int getStartingPosition() {
+        return startingPosition;
+    }
+
+    public void setStartingPosition(int startingPosition) {
+        this.startingPosition = startingPosition;
+    }
+
+    public int getEndingPosition() {
+        return endingPosition;
+    }
+
+    public void setEndingPosition(int endingPosition) {
+        this.endingPosition = endingPosition;
+    }
+
+    public int getContigId() {
+        return contigId;
+    }
+
+    public void setContigId(int contigId) {
+        this.contigId = contigId;
+    }
+
+    public List<Double> getFragmentSizeList() {
+        return fragmentSizeList;
+    }
+
+    public void setFragmentSizeList(List<Double> fragmentSizeList) {
+        this.fragmentSizeList = fragmentSizeList;
+    }
+
+    public double getMatchedScore() {
+        return matchedScore;
+    }
+
+    public void setMatchedScore(double matchedScore) {
+        this.matchedScore = matchedScore;
+    }
+
+    public int compareTo(Object obj) {
+        Contig tmp = (Contig) obj;
+        if ((this.matchedScore) < (tmp.matchedScore)) {
+/* instance lt received */
+            return -1;
+        } else if ((this.matchedScore) > (tmp.matchedScore)) {
+/* instance gt received */
+            return 1;
+        }
+/* instance == received */
+        return 0;
+    }
+}