Question
What does the error "The method sendKeys(CharSequence[]) in the type WebElement is not applicable for the arguments (String)" mean, and how can I resolve it?
WebElement element = driver.findElement(By.id("myElement"));
element.sendKeys("input text");
Answer
The error message indicates that the sendKeys method expects an argument of type CharSequence array, rather than a String. This can occur when the method is misused or when the input data types do not match the expected parameters.
// Correct implementation of sendKeys method
WebElement element = driver.findElement(By.id("myElement"));
element.sendKeys(new CharSequence[]{"input text"});
Causes
- The sendKeys method is defined to accept a varargs parameter of type CharSequence, which means you can pass multiple CharSequence objects.
- Passing a single String directly as an argument instead of enclosing it in an array leads to this type compatibility error.
- Using an outdated WebDriver version that may not support expected parameter types. Check your library dependencies.
Solutions
- Wrap the String argument in a CharSequence array by using new CharSequence[]{yourString}. For example: // Correct usage element.sendKeys(new CharSequence[]{"input text"});
- If sending multiple strings, you can pass them like this: element.sendKeys("first input", "second input", "third input");
- Make sure that your WebDriver and browser libraries are up-to-date to avoid compatibility issues. Check the documentation for any breaking changes in the APIs.
Common Mistakes
Mistake: Trying to pass a String directly: element.sendKeys("input text")
Solution: Use an array of CharSequence if you encounter this error: element.sendKeys(new CharSequence[]{"input text"});
Mistake: Forgetting to import necessary WebDriver libraries or using deprecated ones.
Solution: Ensure you're using the latest version of Selenium WebDriver and that all imports are correct.
Helpers
- sendKeys method
- WebElement sendKeys error
- CharSequence in sendKeys
- Selenium WebDriver
- WebElement not applicable for String