How-to articles, tricks, and solutions about STRING

To join array elements with a separator in Java, you can use the join method from the String class.

In Python, you can use the string module's ascii_lowercase and ascii_uppercase constants to get the range of lowercase and uppercase letters in the ASCII character set respectively.

To split a string in Android, you can use the split() method of the String class.

To append a single character to a string or char array in Java, you can use the + operator or the concat method for strings, or you can use the Arrays.copyOf method for char arrays.

To convert an ArrayList to a string in Java, you can use the join method of the String class, which allows you to join the elements of the ArrayList into a single string. Here's an example of how you might do this:

In Python 3, you can convert a string to bytes using the bytes function.

One way to strip punctuation from a string is to use the str.translate() method in combination with the string.punctuation constant.

Here is a code snippet that demonstrates how to change a single character in a string in Python:

To check if a string contains a number and extract the number from the string in Java, you can use a combination of the matches method of the String class and the find method of the Matcher class.

To check if a String contains a special character in Java, you can use a regular expression to match any character that is not a letter or a digit.

You can use the in keyword to check if a word is in a string in Python.

To check if a string is not null and not empty in Java, you can use the length() method of the java.lang.String class to check if the string is empty, and the != operator to check if the string is not null. Here is an example of how you can do this:

The console.log() method outputs a message to the web console. Read the tutorial and learn the simplest method of putting a single or multiple styles to it.

You can use the json module in Python to convert a string representation of a dictionary to a dictionary.

You can use the .encode() method to convert a Unicode string to a string containing extra symbols in Python.

To convert a byte object into a string, you can use the decode() method.

To convert a character to its ASCII numeric value in Java, you can use the charAt method of the String class and the intValue method of the Character class.

To convert all columns in a Pandas DataFrame to strings, you can use the following code snippet:

You can use the implode() function to convert an array to a delimited string in PHP.

To convert a float to a String in Java, you can use the Float.toString method or the String.valueOf method. For example:

You can use the int() function in Python to convert a hex string to an integer.

To convert an integer to a string in Python, use the str() function.

To convert a JsonObject to a String in Java, you can use the JsonObject.toString method.

You can use the toArray() method of the ArrayList class to convert an ArrayList of strings to a string array. Here's an example:

To convert a string to an integer in Android, you can use the Integer.parseInt method.