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Java Articles
Page 277 of 450
Clear browser Cookies with Selenium WebDriver Java bindings.
We can clear browser cookies in Selenium. The method deleteCookieNamed shall delete a cookie with a specific name. The cookie named is passed as an argument to the method. First, we will add a cookie, then get it and finally delete it.Syntaxdriver.manage().deleteCookieNamed("foo");Another method called the deleteAllCookies deletes all cookies from the existing domain. First, we will add the cookies, then get and delete them.Syntaxdriver.manage().deleteAllCookies();Exampleimport java.util.Set; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.chrome.ChromeDriver; import java.util.concurrent.TimeUnit; public class DeleteCookiesViaName{ public static void main(String[] args) { System.setProperty("webdriver.chrome.driver", "C:\Users\ghs6kor\Desktop\Java\chromedriver.exe"); WebDriver driver = new ChromeDriver(); ...
Read MoreSwitch tabs using Selenium WebDriver with Java.
We can switch tabs using Selenium. First we have to open a link in a new tab. The Keys.chord method along with sendKeys is to be used. The Keys.chord method allows you to pass more than one key at once. The group of keys or strings are passed as arguments to the method.We shall pass Keys.CONTROL and Keys.ENTER as arguments to the Keys.chord method. The whole string is then passed as an argument to the sendKeys method. Finally, the sendKeys method has to be applied on the link which is identified by driver.findElement method.SyntaxString clickl = Keys.chord(Keys.CONTROL, Keys.ENTER); driver.findElement(By.xpath("//*[text()='Terms of ...
Read MoreCapturing browser logs with Selenium WebDriver using Java.
We can capture browser logs with Selenium. We have to type cast the RemoteWebDriver to driver and then initialize it. Next, we have to use the setLogLevel method. The import org.openqa.selenium.remote.RemoteWebDriver statement needs to be added in code for the RemoteWebDriver.Syntax((RemoteWebDriver) driver).setLogLevel(Level.INFO);Exampleimport org.openqa.selenium.By; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.chrome.ChromeDriver; import org.openqa.selenium.remote.RemoteWebDriver import java.util.logging.Level; public class BrwLogs{ public static void main(String[] args) { System.setProperty("webdriver.chrome.driver", "C:\Users\ghs6kor\Desktop\Java\chromedriver.exe"); WebDriver driver = new ChromeDriver(); // Enable logging with setLogLevel method ((RemoteWebDriver) driver).setLogLevel(Level.INFO); driver.get("https://www.tutorialspoint.com/index.htm"); ...
Read MoreHow to use quotes correctly while using LIKE with search variable in MySQL in Java?
Following is the correct syntax to use LIKE with search variable −String sqlQuery; sqlQuery = "select *from yourTableName where yourColumnName like '%" +yourSearchVariableName + "%'";Let us create a table −mysql> create table demo19 −> ( −> id int not null auto_increment primary key, −> name varchar(50) −> ); Query OK, 0 rows affected (3.48 sec)Insert some records into the table with the help of insert command −mysql> insert into demo19(name) values('John Smith'); Query OK, 1 row affected (0.15 sec) mysql> insert into demo19(name) values('David Miller'); Query OK, 1 row affected (0.15 sec) mysql> insert into demo19(name) values('Adam Smith'); ...
Read MoreIs there a way to make a list from a MySQL table in Java?
Yes, for this, use the concept of ArrayList in Java. The syntax is as follows −ArrayList anyVariableName= new ArrayList();Let us create a table −mysql> create table demo10 −> ( −> id int not null auto_increment primary key, −> name varchar(20) −> ); Query OK, 0 rows affected (2.19 sec)Insert some records into the table with the help of insert command −mysql> insert into demo10(name) values('John'); Query OK, 1 row affected (0.23 sec) mysql> insert into demo10(name) values('Bob'); Query OK, 1 row affected (0.12 sec) mysql> insert into demo10(name) values('David'); Query OK, 1 row affected (0.13 sec)Display records from ...
Read MoreHow can I close a specific window using Selenium WebDriver with Java?
We can close a specific window with Selenium webdriver. The getWindowHandles and getWindowHandle methods can be used to handle child windows. The getWindowHandles method is used to store all the opened window handles in the Set data structure.The getWindowHandle method is used to store the window handle of the browser window in focus. We have to add import java.util.Set and import java.util.List statements to accommodate Set data structure in our code.By default, the driver object can only access the elements of the parent window. In order to switch its focus from the parent to the child window, we shall take ...
Read MoreHow to scroll a specific DIV using Selenium WebDriver with Java?
We can scroll a specific DIV using Selenium webdriver. Selenium cannot handle scrolling directly. It takes the help of the Javascript Executor to do scrolling action to a specific DIV.First of all we have to identify the specific DIV up to which we have to scroll to with the help of xpath or css locator. Next we shall take the help of the Javascript Executor to run the Javascript commands. The method executeScript is used to execute Javascript commands in Selenium. We have to use the scrollIntoView method in Javascript and pass true as an argument to the method.SyntaxWebElement m=driver.findElement(By.xpath("//div[@class='slick-track']")); ...
Read MoreSemaphore in Java
A semaphore is used to control access to a shared resource when a process is being executed. This is done with the help of a counter. When this counter value is greater than 0, access to share resource is provided. On the other hand, if the value of counter is zero, then access to shared resources is denied. The counter basically keeps a count of the number of permissions it has given to the shared resource. This means, a semaphore provides access to a shared resource for a thread.Semaphores are present in the java.util.concurrent package. The concept of semaphore is ...
Read MoreMultiMap in Java
Multimap is a general method to bind the keys with random multiple values. The Multimap framework in Guava has methods that help in dealing with mapping keys to multiple values. Multimap can be visualized as a framework that −Is a collection of mapping from one key to one specific valueIs a collection of mapping from unique key to multiple values, i.e. collection of values.It can be implemented in places that use Map.Advantages of MultimapAn empty collection need not be populated before added a key value pair with the help of the function ‘put’.The ‘get’ method doesn’t return a null, except ...
Read MoreDifferences between String and StringBuffer
String is an immutable class and its object can’t be modified after it is created but definitely reference other objects. They are very useful in multithreading environment because multiple threads can’t change the state of the object so immutable objects are thread safe.String buffer is mutable classes which can be used to do operation on string object such as reverse of string, concating string and etc. We can modify string without creating new object of the string. String buffer is also thread safe.Also, string concat + operator internally uses StringBuffer or StringBuilder class. Below are the differences.Sr. No.KeyStringStringBuffer1BasicString is an ...
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