Part6

src/.idea/workspace.xml

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+        <option value="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/Students.java" />
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+    </entry>
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src/main/java/com/zipcode/wilmington/beanjawn/People.java

 package com.zipcode.wilmington.beanjawn;
 
-public abstract class People<PersonType> implements Iterable<PersonType>{
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.stream.StreamSupport;
 
+public abstract class People<PersonType extends Person> implements Iterable<PersonType> {
+
+    private ArrayList<PersonType> personList;
+
+    public People() {
+        this.personList = new ArrayList<>();
+    }
+
+
+    public People(ArrayList<PersonType> ptList) {
+        this.personList = ptList;
+    }
+
+    public void add(PersonType pt) {
+        personList.add(pt);
+    }
+
+    public void remove(PersonType pt) {
+        personList.remove(pt);
+    }
+
+    public Integer size() {
+        return personList.size();
+    }
+
+    public void clear() {
+        personList.clear();
+    }
+
+    public void addAll(Iterable<PersonType> ptIterable) {
+        ptIterable.forEach(personList::add);
+
+
+    }
+
+    public PersonType findById(long id) {
+            for (PersonType pt : personList){
+                if (pt.getId() == id){
+                    return pt;
+                }
+            }
+        return null;
+
+    }
+
+    public ArrayList<PersonType> findAll(){
+        return this.personList;
+    }
 
 
 }

src/main/java/com/zipcode/wilmington/beanjawn/Students.java

+package com.zipcode.wilmington.beanjawn;
+
+public class Students extends People {
+
+}