diff --git a/gender b/gender
new file mode 100644
index 0000000..50fdb2e
--- /dev/null
+++ b/gender
@@ -0,0 +1,42 @@
+import java.util.*;
+/**
+ * Write a description of class gender here.
+ *
+ * @author (your name)
+ * @version (a version number or a date)
+ */
+//abstract public class Gender
+public class Gender
+{
+    // instance variables - replace the example below with your own
+    private String male;
+    private String female;
+    private String gender;
+    private int sexProbablity;
+    private List<String>gender_list =new ArrayList<>();
+
+    /**
+     * Constructor for objects of class gender
+     */
+    public Gender()
+    {
+        male = "Male";
+        female = "Female";
+        gender_list.add(male);
+        gender_list.add(female);
+    }
+
+    /**
+     * An example of a method - replace this comment with your own
+     *
+     * @param  y  a sample parameter for a method
+     * @return    the sum of x and y
+     */
+    //abstract public String born_sex();
+    public String born_sex()
+    {
+        Random rand = new Random();
+        int i = rand.nextInt(gender_list.size());
+        gender = gender_list.get(i);
+        return gender;
+    }