Ant can be downloaded from its official website (http://ant.apache.org). You can download the source or the precompiled version. The easiest way is to download the binary in a tar.gz format.
Whenever you download software from the Internet, it is highly recommended that you check the integrity of the downloaded file. The HTTP protocol does not contain error checking, and it may happen that a network error remains hidden or a malevolent internal proxy modifies the downloaded file. Download sites usually provide checksums for the downloadable files. These are usually MD5, SHA1, SHA512, or some other checksums.
When I downloaded the Apache Ant 1.9.7 version in tar.gz format, I also opened the page that led to the MD5 checksum. ...
