D:\proe>javac source/*/*.java -d javac: -d requires argument use: javac [-g][-O][-debug][-depend][-nowarn][-verbose][-classpath path][-nowrit e][-deprecation][-d dir][-J<runtime flag>] file.java... D:\proe>javac source/*/*.java error: Can't read: source/*/*.java 1 error D:\proe>javac source/parameditor/*.java source/parameditor/ParamEditorListener.java:9: Class javax.swing.JOptionPane not found in import. import javax.swing.JOptionPane; ^ source/parameditor/ParamEditor.java:16: Public class com.ptc.jlinkdemo.paramedit or.ParamEditor must be defined in a file called "ParamEditor.java". public class ParamEditor ^ 2 errors D:\proe>