update

Author: kevinobama

bin/.gitignore

@@ -1,3 +1,4 @@
-/kevinCollection/
-/dataStructures/
 /kevinGates/
+/kevinRedis/
+/dataStructures/
+/kevinCollection/

src/dataStructures/ArrayListkevin.java

@@ -20,8 +20,14 @@ public void add(int index, Object obj) {
   }
 
   public boolean addAll(int index, CollectionKevin c) {
-	  //array[index] = c;
-	  //for(int i=0;i<c.)
+	  T[] merge = (T[]) new Object[array.length + 10];
+	  for(int i=0;i<array.length;i++) {
+		  merge[i] = array[i];
+	  }
+	  
+//	  for(int i=0;i<c.length;i++) {
+//		  merge[i] = array[i];
+//	  }	  
 	  return false;
   }
 
@@ -49,6 +55,7 @@ public Object set(int index, Object obj) {
 	  return array;
   }
   public List subList(int start, int end) {
+	  
 	  return null;
   }
 }

src/kevinCollection/ArrayListIteratorDemo.java

@@ -0,0 +1,58 @@
+package kevinCollection;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.ListIterator;
+
+public class ArrayListIteratorDemo {
+
+	public static void main(String args[]) {
+	      // Create an array list
+	      ArrayList al = new ArrayList();
+	      
+	      // add elements to the array list
+	      al.add("C");
+	      al.add("A");
+	      al.add("E");
+	      al.add("B");
+	      al.add("D");
+	      al.add("F");
+
+	      // Use iterator to display contents of al
+//	      System.out.print("Original contents of al: ");
+//	      Iterator itr = al.iterator();
+//	      
+//	      while(itr.hasNext()) {
+//	         Object element = itr.next();
+//	         System.out.print(element + " ");
+//	      }
+//	      System.out.println();
+	      
+	      // Modify objects being iterated
+	      ListIterator litr = al.listIterator();
+	      
+	      while(litr.hasNext()) {
+	         Object element = litr.next();
+	         //litr.set(element + "+");
+	         System.out.print(element + " ");
+	      }
+	      
+//	      System.out.print("Modified contents of al: ");
+//	      itr = al.iterator();
+//	      
+//	      while(itr.hasNext()) {
+//	         Object element = itr.next();
+//	         System.out.print(element + " ");
+//	      }
+//	      System.out.println();
+//
+//	      // Now, display the list backwards
+//	      System.out.print("Modified list backwards: ");	      
+//	      while(litr.hasPrevious()) {
+//	         Object element = litr.previous();
+//	         System.out.print(element + " ");
+//	      }
+//	      System.out.println();
+	   }
+ 
+}

src/kevinCollection/ListExample.java

@@ -14,7 +14,8 @@ public class ListExample {
 
 	public static void main(String[] args) {
 		//ExampleThree();
-		iteratingOverAList();
+		//iteratingOverAList();
+		addAllExample();
 	}
 
 	public static void ExampleOne() {
@@ -131,4 +132,22 @@ public static void iteratingOverAList() {
 //		    System.out.println(iterator.next());
 //		}		
 	}
+	
+	public static void addAllExample() {
+		List<String> countries = new ArrayList<String>();
+		countries.add("Canada");
+		countries.add("United State");
+		countries.add("United Kindom");
+ 		
+		List<String> cities = new LinkedList<String>();
+		cities.add("New York");
+		cities.add("WC");
+		cities.add("silicone sealant");
+		
+		List<String> countriesAndCities = new ArrayList<String>(); 		
+		countriesAndCities.addAll(countries);
+		countriesAndCities.addAll(cities);
+		
+		System.out.println(countriesAndCities);
+	}	
 }