Java Platform

Why do I get a warning "major version 51 is newer than 50"?

Mar 20, 2012 61106 0/5 (0 Vote)

After installing isCOBOL 2020R1 or earlier with JDK 7 you may get a compiler warning such as the following: warning: javalangObject.class(javalang:Object.class): major version 51 is newer than 50, the highest major version supported by this... Read More

What Java tools are available for troubleshooting problems?

Jul 21, 2010 8838 0/5 (0 Vote)

You can use any diagnostic tool available to the Java community, including the Troubleshooting Guide for Java found here: Java Platform, Standard Edition Troubleshooting Guide, Release 8 (oracle.com) There are many tools available, including... Read More

When I deploy my application do I need to install the Java Runtime Environment (JRE) separately?

Jul 27, 2010 8723 0/5 (0 Vote)

No, you can redistribute the Java(TM) SE Runtime Environment with your application. For further instructions for Oracle and OpenJDK versions, see the README installed with the JRE. Most of these are available online here also. Read More

Where is the JDK on my UNIX or Linux system?

Sep 2, 2009 185100 0/5 (0 Vote)

The JDK is installed in different locations on different UNIX and Linux operating systems according to the OS or Java vendor recommendations. There is no standard installation location for the JDK between UNIX/Linux systems. Historically it has been... Read More