is thread a class in java code example

Example 1: java thread

public class ClassName extends Thread{
  public void run(){
    super.run();
    //Your Code
  }
}

public class Main{
  public static void main(String[] args){
    ClassName thread = new ClassName();
    thread.start();
  }
}

Example 2: create thread java

class RunnableObject implements Runnable {
   private Thread t;
   private String threadName;
   
   RunnableObject( String name) {
      System.out.println("Creating " +  threadName );
      threadName = name;
      t = new Thread (this, threadName);
   }
   
   public void run() {
      System.out.println("Running " +  threadName );
   }
   
   public void start () {
      System.out.println("Starting " +  threadName );
      t.start ();
   }
}

public class TestThread {

   public static void main(String args[]) {
      RunnableObject R1 = new RunnableObject( "Thread-1");
      R1.start();
   }   
}