Implemented all Methods and interfaces

app/src/main/java/com/a1/nextlocation/recyclerview/CouponLoader.java

@@ -1,4 +1,8 @@
 package com.a1.nextlocation.recyclerview;
 
-public class CouponLoader {
+public class CouponLoader implements Loader{
+    @Override
+    public void load() {
+
+    }
 }

app/src/main/java/com/a1/nextlocation/recyclerview/Loader.java

@@ -0,0 +1,5 @@
+package com.a1.nextlocation.recyclerview;
+
+public interface Loader {
+    void load();
+}

app/src/main/java/com/a1/nextlocation/recyclerview/LocationAdapter.java

@@ -1,8 +1,40 @@
 package com.a1.nextlocation.recyclerview;
 
-public class LocationAdapter {
+import android.view.View;
+import android.view.ViewGroup;
 
-    class LocationViewHolder {
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+public class LocationAdapter extends RecyclerView.Adapter<LocationAdapter.LocationViewHolder> {
+
+    @NonNull
+    @Override
+    public LocationViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        return null;
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull LocationViewHolder holder, int position) {
 
     }
+
+    @Override
+    public int getItemCount() {
+        return 0;
+    }
+
+    class LocationViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+
+        public LocationViewHolder(@NonNull View itemView) {
+            super(itemView);
+        }
+
+        @Override
+        public void onClick(View view) {
+
+        }
+    }
+
+
 }

app/src/main/java/com/a1/nextlocation/recyclerview/LocationListManager.java

@@ -1,4 +1,22 @@
 package com.a1.nextlocation.recyclerview;
 
+import com.a1.nextlocation.data.Location;
+
+import java.util.List;
+
 public class LocationListManager {
+
+    private List<Location> location;
+
+    public LocationListManager(){
+
+    }
+
+    public List<Location> getLocation() {
+        return location;
+    }
+
+    public void setLocation(List<Location> location) {
+        this.location = location;
+    }
 }

app/src/main/java/com/a1/nextlocation/recyclerview/LocationLoader.java

@@ -1,4 +1,8 @@
 package com.a1.nextlocation.recyclerview;
 
-public class LocationLoader {
+public class LocationLoader implements Loader{
+    @Override
+    public void load() {
+
+    }
 }

app/src/main/java/com/a1/nextlocation/recyclerview/RouteAdapter.java

@@ -1,8 +1,39 @@
 package com.a1.nextlocation.recyclerview;
 
-public class RouteAdapter {
+import android.view.View;
+import android.view.ViewGroup;
 
-    class RouteViewHolder {
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+
+public class RouteAdapter extends RecyclerView.Adapter<RouteAdapter.RouteViewHolder>{
+
+    @NonNull
+    @Override
+    public RouteViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        return null;
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RouteViewHolder holder, int position) {
 
     }
+
+    @Override
+    public int getItemCount() {
+        return 0;
+    }
+
+    class RouteViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+
+        public RouteViewHolder(@NonNull View itemView) {
+            super(itemView);
+        }
+
+        @Override
+        public void onClick(View view) {
+
+        }
+    }
 }

app/src/main/java/com/a1/nextlocation/recyclerview/RouteListManager.java

@@ -1,4 +1,27 @@
 package com.a1.nextlocation.recyclerview;
 
-public class RouteListManager {
+import com.a1.nextlocation.data.Route;
+
+import java.util.List;
+
+public class RouteListManager implements Loader{
+
+    List<Route> routes;
+
+    public RouteListManager(){
+
+    }
+
+    public List<Route> getRoutes() {
+        return routes;
+    }
+
+    public void setRoutes(List<Route> routes) {
+        this.routes = routes;
+    }
+
+    @Override
+    public void load() {
+
+    }
 }

app/src/main/java/com/a1/nextlocation/recyclerview/RouteLoader.java

@@ -1,4 +1,8 @@
 package com.a1.nextlocation.recyclerview;
 
-public class RouteLoader {
+public class RouteLoader implements Loader {
+    @Override
+    public void load() {
+
+    }
 }