tp

DEV3.2/ControleMachine/DEV32/2/SimpleDeque.java

@@ -0,0 +1,45 @@
+/**
+ * Implémentation de l'interface MinimalDeque
+ *
+ * classe à rendre à luc.
+ *
+ * @author Pourchot Adrian
+ * @see Java.util.Deque
+ */    
+public class SimpleDeque<E> implements MinimalDeque{
+
+	private E[] deque;
+    
+    public SimpleDeque(){
+		this.deque = new E[0];
+    }
+    
+    public void addFirst(E e){
+		Objects.requireNonNull(e, "e must not be null");
+
+    }
+    
+    public void addLast(E e){
+		Objects.requireNonNull(e, "e must not be null");
+		this.deque = this.deque.copyOf(this.deque, this.deque.length+1);
+		this.deque[this.deque.length-1] = e;
+    }
+    
+    public boolean isEmpty(){
+		if (this.deque.length==0){
+			return true;
+		}
+		else{
+			return false;
+		}
+    }
+    
+    public E removeFirst(){
+		this.deque = this.deque.copyOfRange(this.deque, 1, this.deque.length);
+    }
+    
+    public E removeLast(){
+		this.deque = this.deque.copyOfRange(this.deque, 0, this.deque.length-1);
+    }
+
+}