Lab4 Done

src/BusesGenericCollection.java

@@ -24,10 +24,7 @@ public class BusesGenericCollection<T extends DrawingBus, U extends IMoveableObj
     }
     public boolean remove(int pos)
     {
-        T obj = _collection.Get(pos);
-        if (obj != null)
-            return _collection.remove(pos);
-        return false;
+        return _collection.remove(pos);
     }
     public U GetU(int pos) {
         if(_collection.Get(pos) == null)

src/BusesGenericStorage.java

@@ -1,4 +1,3 @@
-import java.util.Dictionary;
 import java.util.HashMap;
 import java.util.List;
 import java.util.stream.Collectors;

src/FrameBusCollection.java

@@ -2,21 +2,19 @@ import javax.swing.*;
 import javax.swing.border.StrokeBorder;
 import java.awt.*;
 import java.io.IOException;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.text.Normalizer;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
+import java.util.ArrayDeque;
+import java.util.Queue;
 
 public class FrameBusCollection extends JFrame {
     private BusesGenericStorage storage;
     private JList<String> listBoxStorages;
     private DefaultListModel<String> listBoxModel;
-    TrashCollection<DrawingBus> trashCollection = new TrashCollection<>();
     JComponent pictureBoxCollection;
     TextField textFieldNumber;
     TextField textFieldStorageName;
+    Queue <DrawingBus> queue = new ArrayDeque<>();
     public FrameBusCollection(){
         super("Набор автобусов");
         setSize(new Dimension(1000,500));
@@ -132,8 +130,7 @@ public class FrameBusCollection extends JFrame {
         if (obj == null)
             return;
         int pos = Integer.parseInt(textFieldNumber.getText());
-        var bus = obj.Get(pos);
-        trashCollection.push(obj.Get(pos));
+        queue.add(obj.Get(pos));
         if (obj.remove(pos))
         {
             JOptionPane.showMessageDialog(this,"Объект удалён");
@@ -179,16 +176,17 @@ public class FrameBusCollection extends JFrame {
         reloadObjects();
     }
     private  void buttonTrashClick(){
-        if(trashCollection.getSize() == 0)
+        if(queue.size() == 0)
             return;
         FrameTrolleybus form;
         try{
             form = new FrameTrolleybus();
+            form.ChangeTrolleybus(queue.peek());
+            queue.remove();
         }
         catch (IOException e){
             throw new RuntimeException();
         }
-        form.ChangeTrolleybus(trashCollection.getTop());
-        trashCollection.pop();
+
     }
 }

src/SetGeneric.java

@@ -12,8 +12,7 @@ public class SetGeneric<T extends Object>{
     public boolean insert(T bus){
         if(places.size() == maxCount)
             return false;
-        insert(bus, 0);
-        return true;
+        return insert(bus, 0);
     }
     public boolean insert(T bus, int position){
         if (!(position >= 0 && position <= places.size() && places.size() < maxCount))

src/TrashCollection.java

@@ -1,22 +0,0 @@
-import java.util.ArrayDeque;
-import java.util.Queue;
-public class TrashCollection <T> {
-    Queue <T> _queue;
-    public TrashCollection(){
-        _queue = new ArrayDeque<>();
-    }
-    public void push(T bus){
-        _queue.add(bus);
-    }
-    public int getSize(){
-        return _queue.size();
-    }
-    public void pop(){
-        if(_queue.size() ==0)
-            return;
-        _queue.remove();
-    }
-    public T getTop(){
-        return _queue.peek();
-    }
-}