With Oracle’s change, “affected MD-5 signed JAR files will no longer be considered trusted [by the Oracle JRE] and will not be able to run by default, such as in the case of Java applets, or ...

For my examples, I want to jar up and work with some .class files. The next screen snapshot demonstrates compiling some Java source code files (.java files) into .class files.

Being a newbie Java person, the concept of classpath is still, well, new to me.<BR><BR>Also, uhmmm, playing with the getResourceAsStream () method (and subsequently the getResource () method), I ...

Packaging Java programs as JAR files There's nothing particularly interesting about a JAR file. At its heart, it's simply a mechanism to compress multiple files. A JAR file uses exactly the same ...

In Java development, programmers sign their JAR files as a way to authenticate who wrote the code. In the 90s, when MD5 was considered secure, it became the favorite algorithm to sign JAR files.

For this example, I deployed a simple JAR file named maven-tutorial-1.0.1.jar, which was built from a Java project named Mavenspiration, hosted on my GitHub. After deployment of the maven-tutorial-1.0 ...