fixed naming

LinkedListDemo.java

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+// 13 write a java program to demonstrate linked list
+import java.util.LinkedList;
+public class LinkedListDemo{
+	public static void main(String[] args){
+		LinkedList<String> linkedList = new LinkedList<>();
+		linkedList.add("Element A");
+		linkedList.add("Element B");
+		linkedList.add("ELement C");
+		System.out.println("Element at index 0: " + linkedList.get(0));
+		System.out.println("Element at index 1: " + linkedList.get(1));
+		System.out.println("Element at index 2: " + linkedList.get(2));
+		System.out.println("Liniked List Elements");
+		for(String element: linkedList){
+			System.out.println(element);
+		}
+		linkedList.remove("Element B");
+		System.out.println("Size of linked List after removal: "+ linkedList.size());
+
+	}
+}

SortingPracticalMain.java

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+// 12 write a java program for sorting array list
+import java.util.*;
+public class SortingPracticeMain{
+  public static void main(String[] args){
+    ArrayList<String> arrayList = new ArrayList<>();
+    arrayList.add("Sourav Ganguli");
+    arrayList.add("Sachin Tendulkar");
+    arrayList.add("Rahul Dravid");
+    arrayList.add("Zaheer Khan");
+    arrayList.add("Yuvraj Singh");
+    arrayList.add("Harbhajan Singh");
+    arrayList.add("Javagal Srinath");
+    arrayList.add("Ashish Nehra");
+    arrayList.add("Virendra Sehwag");
+    arrayList.add("Ajit Agarkar");
+    arrayList.add("Mohammad Kaif");
+
+    System.out.println("Unsorted list: " + arrayList);
+    Collections.sort(arrayList);
+    System.out.println("Sorted list: " + arrayList);
+  }
+}

TestJavaCollection10.java

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+// 17C
+import java.util.*;
+public class TestJavaCollection10{
+  public static void main(String args[]){
+    LinkedHashSet<String> set = new LinkedHashSet<>();
+    set.add("Ravi");
+    set.add("Vijay");
+    set.add(null);
+    set.add("Ravi");
+    set.add("Ajay");
+    Iterator<String> itr = set.iterator();
+    while(itr.hasNext()){
+      System.out.println(itr.next());
+    }
+  }
+}

TestJavaCollection11.java

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+// 18A write a java code to demonstrate treeset
+import java.util.*;
+public class TestJavaCollection11{
+  public static void main(String args[]){
+    TreeSet<String> set = new TreeSet<>();
+    set.add("Ravi");
+    set.add("Vijay");
+    set.add("Ravi");
+    set.add("Ajay");
+    Iterator<String> itr = set.iterator();
+    while(itr.hasNext()){
+      System.out.println(itr.next());
+    }
+  }
+}

TestJavaCollection12.java

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+
+// 18B write a java code to demonstrate treeset
+import java.util.*;
+public class TestJavaCollection12{
+  public static void main(String args[]){
+    TreeSet<String> set = new TreeSet<>();
+    set.add("Ravi");
+    set.add("Vijay");
+    set.add(null);
+    set.add("Ravi");
+    set.add("Ajay");
+    Iterator<String> itr = set.iterator();
+    while(itr.hasNext()){
+      System.out.println(itr.next());
+    }
+  }
+}

TestJavaCollection2.java

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+// 13B
+import java.util.*;
+public class TestJavaColection2 {
+  public static void main(String args[]){
+    LinkedList<String> al = new LinkedList<>();
+    al.add("Ravi");
+    al.add("Vijay");
+    al.add("Ravi");
+    al.add("Ajay");
+    Iterator<String> itr = al.iterator();
+    while(itr.hasNext()){
+      System.out.println(itr.next());
+    }
+  }
+}

TestJavaCollection3.java

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+// 14 Write a java code to demonstrate java code
+import java.util.*;
+public class TestJavaCollection3{
+  public static void main(String args[]){
+    Vector<String> vector = new Vector<>();
+    vector.add("Ayush");
+    vector.add("Amit");
+    vector.add("Ashish");
+    vector.add("Garima");
+    Iterator<String> itr = vector.iterator();
+    while(itr.hasNext()){
+      System.out.println(itr.next());
+    }
+  }
+}

TestJavaCollection4.java

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+// 15 write a java code to demonstrate stack
+import java.util.*;
+public class TestJavaCollection4 {
+  public static void main(String args[]){
+    Stack<String> stack = new Stack<>();
+    stack.push("Ayush");
+    stack.push("Garvit");
+    stack.push("Amit");
+    stack.push("Garima");
+    Iterator<String> itr = stack.iterator();
+    while(itr.hasNext()){
+      System.out.println(itr.next());
+    }
+    String topElement = stack.peek();
+    System.out.println("The top element of the stack is: " + topElement);
+    stack.pop();
+    System.out.println("After POP");
+    for(String element: stack){
+      System.out.println(element);
+    }
+  }
+}

TestJavaCollection7.java

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+// 16 write a java program to demonstrate HashSet
+import java.util.*;
+public class TestJavaCollection7{
+  public static void main(String args[]){
+    HashSet<String> set = new HashSet<String>();
+    set.add("Ravi");
+    set.add("Vijay");
+    set.add("Ravi");
+    set.add("Ajay");
+    Iterator<String> itr = set.iterator();
+    while(itr.hasNext()){
+      System.out.println(itr.next());
+    }
+  }
+}

TestJavaCollection8.java

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+// 17A write a java code to demonstrate linked hash set
+import java.util.*;
+public class TestJavaCollection8{
+  public static void main(String args[]){
+    LinkedHashSet<String> set = new LinkedHashSet<>();
+    set.add("Ravi");
+    set.add("Vijay");
+    set.add("Ravi");
+    set.add("Ajay");
+    Iterator<String> itr = set.iterator();
+    while(itr.hasNext()){
+      System.out.println(itr.next());
+    }
+  }
+
+}

TestJavaCollection9.java

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+// 17B
+import java.util.*;
+public class TestJavaCollection9{
+  public static void main(String args[]){
+    LinkedHashSet<String> set = new LinkedHashSet<>();
+    set.add("Ravi");
+    set.add("Vijay");
+    set.add("");
+    set.add("Ravi");
+    set.add("Ajay");
+    Iterator<String> itr = set.iterator();
+    while(itr.hasNext()){
+      System.out.println(itr.next());
+    }
+  }
+
+}

VectorDemo.java

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+// 14B
+import java.util.Vector;
+public class VectorDemo{
+  public static void main(String[] args){
+    Vector<String> vector = new Vector<>();
+    vector.add("Item X");
+    vector.add("Item Y");
+    vector.add("Item Z");
+    System.out.println("Elements at index 0: " + vector.get(0));
+    System.out.println("Elements at index 1: " + vector.get(1));
+    System.out.println("Elements at index 2: " + vector.get(2));
+    System.out.println("Vector Elements: ");
+    for(String element: vector){
+      System.out.println(element);
+    }
+    vector.remove("Item Y");
+    System.out.println("Size of Vector afte removal: " + vector.size());
+  }
+}