diff --git a/.gitignore b/.gitignore
index 6fee6d3a..2458e8b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 .idea/*
-*.log
\ No newline at end of file
+*.log
+node_modules
+coverage
diff --git a/chapter01/14-ES6ParameterHandling.js b/chapter01/14-ES6ParameterHandling.js
index 4645f2a7..af23585c 100644
--- a/chapter01/14-ES6ParameterHandling.js
+++ b/chapter01/14-ES6ParameterHandling.js
@@ -14,7 +14,7 @@ function sum2 (x, y, z) {
         z = 3;
     return x + y + z;
 };
-console.log(sum2(4,2)); //outpus 10
+console.log(sum2(4,2)); //outpus 9
 
 //******* EcmaScript 6: spread operator ('...')
 var params = [3, 4, 5];
diff --git a/chapter07/07-HashCollisionLinearProbing.js b/chapter07/07-HashCollisionLinearProbing.js
index 38b07c0f..4b1172be 100644
--- a/chapter07/07-HashCollisionLinearProbing.js
+++ b/chapter07/07-HashCollisionLinearProbing.js
@@ -53,6 +53,15 @@ function HashLinearProbing(){
                     return table[index].value;
                 }
             }
+        } else { //search for possible deleted value
+            var index = ++position;
+            while (table[index] == undefined || index == table.length ||
+                (table[index] !== undefined && table[index] && table[index].key !== key)){
+                index++;
+            }
+            if (table[index] && table[index].key === key) {
+                return table[index].value;
+            }
         }
         return undefined;
     };
diff --git a/chapter07/08-UsingHashCollisionLinearProbing.js b/chapter07/08-UsingHashCollisionLinearProbing.js
index 902384ee..36a33e61 100644
--- a/chapter07/08-UsingHashCollisionLinearProbing.js
+++ b/chapter07/08-UsingHashCollisionLinearProbing.js
@@ -26,4 +26,12 @@ console.log('**** Remove **** ');
 
 hashLinearProbing.remove('Gandalf');
 console.log(hashLinearProbing.get('Gandalf'));
+hashLinearProbing.print();
+
+console.log('**** Remove Test 2 **** ');
+console.log('Removing Jonathan', hashLinearProbing.remove('Jonathan'));
+console.log('**** Print **** ');
+hashLinearProbing.print();
+console.log('Get Jamie', hashLinearProbing.get('Jamie'));
+console.log('**** Print **** ');
 hashLinearProbing.print();
\ No newline at end of file