Prior to 1.4, Java had serious gaps in standard libraries. Developers often relied on third-party libraries for basic functionality. Java 1.4.0 changed that with:
For many developers, Java 1.4.0 was the first version that felt "complete" for serious server-side development. java 1.4 0 download
This is the most critical section. Java 1.4.0 is no longer supported by Oracle, and you will not find it on the official Java download page (which now offers only Java 8 and above for older releases, and only via a login). Prior to 1
This page provides access to Java 2 Platform, Standard Edition (J2SE) version 1.4.0. This software is no longer supported by Oracle and is preserved for historical reference and legacy system maintenance only. For many developers, Java 1
As a last resort for research purposes, the Internet Archive might have archived Sun’s download pages. Search for http://java.sun.com/j2se/1.4/download.html on archive.org. You may find original .exe and .bin files. However, verify checksums (MD5/SHA1) before running anything.
Instead of downloading insecure Java 1.4, consider: