By WalkingTree May 25, 2021
replaceAll method – The string replace method comes with one limitation, this method only replaces the first occurrence of the character, and the rest of the occurrences in the string remain the same. In order to replace all the characters, we have to use regular expressions. With the replaceAll method, the need for regular expression is eliminated. replaceAll replaces all the occurrences of the character specified.
Using underscores as a separator for integers – In some situations, integers become so large that it’s almost difficult to count the number of elements present. With the introduction of this feature, developers can use underscores to separate the digits, without converting the data type to string.
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