In java-selenium, how to navigate through web data table using pagination buttons and verify the displayed row count on page is matching with actual table row count

package selenium.datatables;

importjava.util.ArrayList;
importjava.util.List;

importorg.openqa.selenium.By;
importorg.openqa.selenium.JavascriptExecutor;
importorg.openqa.selenium.WebDriver;
importorg.openqa.selenium.WebElement;
importorg.openqa.selenium.chrome.ChromeDriver;

@SuppressWarnings("unused")
publicclassDataTableButtonsNavigationActualVsDisplayedRowCount{

publicstatic WebDriver driver;

publicstaticvoidmain(String[] args)throws Exception {

System.setProperty("webdriver.chrome.driver","D:\\006_trainings\\chromedriver_83.exe");
  System.setProperty("webdriver.chrome.silentOutput","true");

  driver =new ChromeDriver();
driver.get("https://datatables.net/examples/basic_init/zero_configuration.html");
  driver.manage().window().maximize();
  compareDispalyedRowCountToActualRowCount();
}

publicstaticvoidcompareDispalyedRowCountToActualRowCount()throws Exception {

try{
   Thread.sleep(5000);
List<WebElement> namesElements = driver.findElements(By.cssSelector("#example>tbody>tr>td:nth-child(1)"));
   System.out.println("size of names elements : "+ namesElements.size());

List<String> names =new ArrayList<String>();
//Adding column1 elements to the list
for(WebElement nameEle : namesElements){
names.add(nameEle.getText());
}
//Displaying the list elements on console
for(WebElement s : namesElements){
    System.out.println(s.getText());
}

//locating next button
String nextButtonClass = driver.findElement(By.id("example_next")).getAttribute("class");

//traversing through the table until the last button and adding names to the list defined about
while(!nextButtonClass.contains("disabled")){
driver.findElement(By.id("example_next")).click();
Thread.sleep(1000);
namesElements = driver.findElements(By.cssSelector("#example>tbody>tr>td:nth-child(1)"));
for(WebElement nameEle : namesElements){
names.add(nameEle.getText());
}
nextButtonClass = driver.findElement(By.id("example_next")).getAttribute("class");
}
//printing the whole list elements
for(String name : names){
    System.out.println(name);
}
//counting the size of the list
int actualCount = names.size();
   System.out.println("Total number of names :"+ actualCount);

//locating displayed count 
String displayedCountString = driver.findElement(By.id("example_info")).getText().split("")[5];
int displayedCount = Integer.parseInt(displayedCountString);

   System.out.println("Total Number of Displayed Names count:"+ displayedCount);

   Thread.sleep(1000);

// Actual count calculated Vs Dispalyed Count
if(actualCount == displayedCount){
    System.out.println("Actual row count = Displayed row Count");
}else{
    System.out.println("Actual row count !=  Displayed row Count");
thrownewException("Actual row count !=  Displayed row Count");
}
}catch(Exception e){
   e.printStackTrace();
}
}
}