Java code for wrapping text lines to a max line width

Apache commons has WordUtils and wrap function in it:

http://commons.apache.org/proper/commons-lang/apidocs/org/apache/commons/lang3/text/WordUtils.html

P.S. Looks like this is deprecated and you need to use

https://commons.apache.org/proper/commons-text/javadocs/api-release/org/apache/commons/text/WordUtils.html

instead.