I used the following code to check if Thread of java process can have independent state

FakeThreadState.java

// I used the following code to check if Thread of java process can have independent state with
// ps -Teo state,pcpu,pmem,nlwp,pid,spid,user,args |grep FakeThread

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

// The goal is to create several Thread that should be in different state and check if ps or other catch the correct state of the thread
public class FakeThreadState {

  /**
   * @param args
   */
  public static void main(String[] args) {
    Thread waitingRunnable = new Thread(){
      @Override
      public void run() {
        try {
          Object lock = new Object();
          synchronized(lock) {
            lock.wait();
          }
        } catch (InterruptedException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        };
      };
    };
    
    Thread sleepingRunnable = new Thread(){
      @Override
      public void run() {
        try {
          sleep(60*60*1000);
        } catch (InterruptedException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        } //1H
      };
    };

    Thread summingRunnable = new Thread(){
      @Override
      public void run() {
        long l = 0;
        long op = +1;
        while(true) {
          l = l + op;
          if (l == 1000) {
            op = -1;
          } else if (l == 0) {
            op = +1;
          }
        }
      };
    };

    Thread ioRunnable = new Thread(){
      @Override
      public void run() {
        try {
          File f = new File("/tmp/z");
          f.deleteOnExit();
          FileOutputStream os = null;
          try {
            long i = 0;
            while(true) {
              if (i % 1000 == 0) {
                if (os != null) os.close();
                os = new FileOutputStream(f);
              }
              if (os != null) {
                os.write(33);
                os.flush();
              }
              i++;
            }
          } finally {
            if (os != null) os.close();
          }
        } catch (IOException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      };
    };

    waitingRunnable.start();
    sleepingRunnable.start();
    summingRunnable.start();
    ioRunnable.start();
  }
}