Download JDK/JRE (older/current version) from Oracle
If you are looking for older (1.1, 1.2, 1.3, 1.4, 5, 6) or latest (7) version of JDK (Sun and now Oracle) then you can get it from Oracle Technology Network (OTN)
If you are looking for older (1.1, 1.2, 1.3, 1.4, 5, 6) or latest (7) version of JDK (Sun and now Oracle) then you can get it from Oracle Technology Network (OTN)