html - What do lt; and gt; stand for? - Stack Overflow I know that the entities amp;lt; and amp;gt; are used for lt; and gt;, but I am curious what these names stand for Does amp;lt; stand for something like "Left tag" or is it just a code?
How can I solve java. lang. NoClassDefFoundError? I've tried both the examples in Oracle's Java Tutorials They both compile fine, but at run time, both come up with this error: Exception in thread quot;main quot; java lang NoClassDefFoundError: