Adding more code files 07/10/25

codegeeks98 · codegeeks98 · commit 367278e09216 · 2025-10-07T23:29:59.000+05:30
diff --git a/Array_List.java b/Array_List.java
@@ -0,0 +1,19 @@
+import java.util.ArrayList;
+import java.util.Collection;
+
+public class Array_List
+{
+    public static void main(String[] args) 
+        {
+            Collection<Integer> nums=new ArrayList<Integer>();
+
+            nums.add(20);  //Adding the data values
+            nums.add(40);
+            nums.add(70);
+
+            System.out.println(nums);  //Printing the ArrayList
+
+
+        }
+    
+}
diff --git a/Runnable_Demo.java b/Runnable_Demo.java
@@ -0,0 +1,57 @@
+class A implements Runnable
+{
+    public void run()
+    {
+        for(int i=0; i<20; i++)
+        {
+            System.out.println("Hi");
+
+            try
+            {
+                Thread.sleep(10);
+            }
+            catch(InterruptedException e)
+            {
+                System.out.println(e);
+            }
+        }
+    }
+}
+
+class B implements Runnable
+{
+    public void run()
+    {
+        for(int i=0; i<20; i++)
+        {
+            System.out.println("Hello");
+
+            try
+            {
+                Thread.sleep(10);
+            }
+            catch(InterruptedException e)
+            {
+                System.out.println(e);
+            }
+        }
+    }
+}
+
+public class Runnable_Demo
+{
+    public static void main(String[] args)
+    {
+        Runnable obj1=new A();
+
+        Runnable obj2=new B();
+
+        Thread t1=new Thread(obj1);
+
+        Thread t2=new Thread(obj2);
+
+        t1.start();
+
+        t2.start();
+    }
+}
diff --git a/Runnable_Lambda.class b/Runnable_Lambda.class
diff --git a/Runnable_Lambda.java b/Runnable_Lambda.java
@@ -0,0 +1,44 @@
+//Implementation of Runnable Imterface using Lambda function
+
+public class Runnable_Lambda
+{
+    public static void main(String[] args) {
+        {
+            Runnable obj1=()->        //Lambda Function 01
+            {
+                for(int i=0; i<20; i++)
+                {
+                    System.out.println("Hi");
+
+                    try {
+                        Thread.sleep(10);
+                    } catch (InterruptedException e) {
+                        System.out.println(e);
+                    }
+                }
+            };
+
+            Runnable obj2= ()->       //Lambda function 02
+            {
+                for(int i=0; i<20; i++)
+                {
+                    System.out.println("Hello");
+
+                    try {
+                        Thread.sleep(10);
+                    } catch (InterruptedException e) {
+                        System.out.println(e);
+                    }
+                }
+            };
+
+            Thread t1=new Thread(obj1);
+
+            Thread t2=new Thread(obj2);
+
+            t1.start();
+
+            t2.start();
+        }
+    }
+}
