end of day, done till 13

experiments/11exp.java

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+// 11. write a java program to demonstrate ArrayList
+import java.util.ArrayList;
+public class exp11 {
+	public static void main(String[] args){
+		ArrayList<String> elementList = new ArrayList<>();
+		elementList.add("Hydrogen");
+		elementList.add("Helium");
+		elementList.add("Lithium");
+
+		System.out.println("Element at index 0: " + elementList.get(0));
+		System.out.println("Element at index 1: " + elementList.get(1));
+		System.out.println("Element at index 2: " + elementList.get(2));
+		
+		elementList.remove("Nitrogen");
+		System.out.println("Periodic Table Elements: ");
+		for(String element: elementList) {
+			System.out.println(element);
+		}
+
+		elementList.remove(elementList.get(2));
+		System.out.println("Size of elementList after removal of Lithium is: " + elementList.size());
+	}
+}

experiments/Iterator10exp.java

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+// exp
+import java.util.*;
+class Iterator10exp{
+public static void main(String args[]){
+	ArrayList<String> nameList = new ArrayList<String>();
+	nameList.add("Aditya");
+	nameList.add("Vijay");
+	nameList.add("Ravi");
+	nameList.add("Ajay");
+
+	String name = "Ajay";
+	String name2 = "Misa";
+	
+	nameList.add(name2);
+	nameList.remove(nameList.get(2));
+	nameList.remove(name);
+
+	Iterator itr = nameList.iterator();
+	while(itr.hasNext()){
+		System.out.println(itr.next());
+	}
+	}
+}

experiments/exp11.java

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+// 11. write a java program to demonstrate ArrayList
+import java.util.*;
+public class exp11 {
+	public static void main(String[] args){
+		ArrayList<String> elementList = new ArrayList<>();
+		elementList.add("Hydrogen");
+		elementList.add("Helium");
+		elementList.add("Lithium");
+
+		System.out.println("Element at index 0: " + elementList.get(0));
+		System.out.println("Element at index 1: " + elementList.get(1));
+		System.out.println("Element at index 2: " + elementList.get(2));
+		
+		elementList.remove("Nitrogen");
+		System.out.println("Periodic Table Elements: ");
+		for(String element: elementList) {
+			System.out.println(element);
+		}
+
+		elementList.remove(elementList.get(2));
+		System.out.println("Size of elementList after removal of Lithium is: " + elementList.size());
+		
+		Iterator pdt = elementList.iterator();
+		System.out.println(pdt.next());
+		System.out.println(pdt.next());
+		//System.out.println(pdt.next()); --> NoSuchElementException
+		//System.out.println(pdt.next());
+	}
+}

experiments/exp12.java

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+import java.util.*;
+
+public class exp12{
+	public static void main(String[] args){
+		ArrayList<String> playerList = new ArrayList<String>();
+		playerList.add("Sachin Tendulkar");
+		playerList.add("Rahul Dravid");
+		playerList.add("Virender Sehwag");
+		playerList.add("MS Dhoni");
+		playerList.add("Virat Kohli");
+		playerList.add("Anil Kumble");
+		playerList.add("Yuvraj Singh");
+		playerList.add("Kapil Dev");
+		playerList.add("Sunil Gavaskar");
+		playerList.add("Javagal Srinath");
+		
+		
+		System.out.println("Unsorted List: \n");
+		Iterator pre = playerList.iterator();
+		while(pre.hasNext()){
+			System.out.println(pre.next());
+		}
+		
+		
+		Collections.sort(playerList);
+		System.out.println("\nSorted List: \n");
+		
+		Iterator post = playerList.iterator();
+		while(post.hasNext()){
+			System.out.println(post.next());
+		}
+		
+	}
+}