add pattern

role-object/src/main/java/com/iluwatar/roleobject/InvestorRole.java

@@ -1,4 +1,27 @@
 package com.iluwatar.roleobject;
 
-public class InvestorRole extends CustomerRole{
+public class InvestorRole extends CustomerRole {
+    private String name;
+    private long amountToInvest;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public long getAmountToInvest() {
+        return amountToInvest;
+    }
+
+    public void setAmountToInvest(long amountToInvest) {
+        this.amountToInvest = amountToInvest;
+    }
+
+    public String invest() {
+        return String.join(" ",
+                "Investor", name, "has invested", String.valueOf(amountToInvest), "dollars");
+    }
 }