How to remove last character of a StringBuilder in Java



This example shows how to remove last character of a StringBuilder. There are several ways of doing this but here two possible ways are shown.
The first example uses the method setLength of the StringBuilder to truncate the length by one:

Since the letter ‘g’ is removed from the StringBuilder the output from the code above will be:

Another way of removing last character from a StringBuilder is to use the method deleteCharAt with the last position index as parameter. Like this:

The output from the last example is of course the same as above.







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