Add for-each loop and arraylist get method example

Author: gauravkukade

collections/arraylist/arraylist-get-method/ArrayListGetExample.java

@@ -0,0 +1,41 @@
+package com.gaurav.ExProject.ArrayList;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A java program to get the element by 
+ * its index using the get() method
+ * 
+ * @author Gaurav Kukade at coderolls.com
+ *
+ */
+public class ArrayListGetExample {
+
+	public static void main(String[] args) {
+		
+        List<String> list = new ArrayList<String>();
+        
+        list.add("Monday");
+        list.add("Tuesday");
+        list.add("Wednesday");
+        list.add("Thursday");
+        list.add("Friday");
+        list.add("Saturday");
+        list.add("Sunday");
+        
+        System.out.println("Arraylist:"+ list);
+        
+        // get element at index 3
+        String element = list.get(3);
+        System.out.println("\nElement at index 3 is "+ element);
+        
+        System.out.println("\nUsing get() method in for loop: \n");
+        
+        // using the get(0 method in for loop
+        for(int i=0; i<list.size(); i++) {
+        	System.out.println("The element at index "+i+" is "+ list.get(i));
+        }
+	}
+
+}

java-basic/for-each-loop/ArrayForEachExample.java

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+package com.gaurav.ExProject.ArrayList;
+
+/**
+ * A java program to traverse the array using the 
+ * for-each loop i.e. enhanced for loop
+ * 
+ * @author Guarav Kukade at coderolls.com
+ *
+ */
+public class ArrayForEachExample {
+
+	public static void main(String[] args) {
+		
+		// create an array of marks
+		int[] numbers = { 88, 95, 65, 76, 78, 45, 95, 96, 56};
+		
+		// traversing the array using for-each loop
+		for(int number: numbers) {
+			
+			System.out.println("The number is "+ number);
+		}
+	}
+}

java-basic/for-each-loop/ArrayListForEachExample.java

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+package com.gaurav.ExProject.ArrayList;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A java program to traverse the collection using
+ * the for-each loop i.e. enhanced for loop
+ * 
+ * @author Gaurav Kukade at coderolls.com
+ *
+ */
+public class ArrayListForEachExample {
+
+	public static void main(String[] args) {
+		
+		// create an empty arraylist of Integer
+		List<Integer> numbers = new ArrayList<Integer>();
+		
+		//add number to the list
+		numbers.add(1);
+		numbers.add(8);
+		numbers.add(8);
+		numbers.add(5);
+		numbers.add(4);
+		numbers.add(6);
+		numbers.add(3);
+		numbers.add(2);
+		numbers.add(9);
+		
+		//traversing the collection using for-each loop
+		for(Integer number: numbers) {
+			System.out.println("The number is "+ number);
+		}
+	}
+}