Java work review-4 large time waits-mandatory wait (Thread.sleep (5000);)

package jkcs; 

import org.openqa.selenium.By;
 import org.openqa.selenium.WebDriver;
 import org.openqa.selenium.firefox.FirefoxDriver;
 import org.openqa.selenium.interactions.Actions; 

public  class jdcs 
{ 
    
    public  static  void main (String [] args) throws InterruptedException 
    { 
         System.setProperty ( "webdriver.chrome.bin", "‪C: \\ Program Files (x86) \\ Mozilla Firefox \\ firefox.exe");     // Set the installation path To prevent the system from finding 
         
         WebDriver driver = new FirefoxDriver ();         //Initialize the FireFox browser instance and open the browser 

         driver.manage (). Window (). Maximize ();          // Maximize the window   
        
        
        
         driver.navigate (). To ( "http://www.baidu.com" ); 
        
         Thread.sleep ( 5000 ); 
        

        
         driver.findElement (By.id ( "kw")). SendKeys ("china");         // Enter 
         
         Thread.sleep ( 5000 ) in the 
        
         
         text box ; 
         Actions sj = new Actions (driver); 
         
         sj.click (driver.findElement (By.id ( "su"))). perform ();    // Simulate left mouse click 
         Thread.sleep (8000 ); 
        

         driver.quit (); 
    } 
}