javap(1)                        <?><?><?><?><?>                       javap(1)

<?><?>
       javap -
       1<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

<?><?>
           javap [options] classfile...

       options
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       classfile
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>1<?><?><?><?><?><?><?>(DocFooter.class<?><?>)<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>URL(file:///home/user/myproject/src/DocFooter.class<?><?>)<?><?><?><?><?><?><?><?>

<?><?>
       javap<?><?><?><?><?><?>1<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>javap<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>protected<?><?><?>public<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>javap<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

<?><?><?><?><?>
       -help
       --help
       -?
           javap<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -version
           <?><?><?><?><?><?><?><?><?><?><?><?><?>

       -l
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -public
           public<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -protected
           protected<?><?><?>public<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -private
       -p
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -Joption
           <?><?><?><?><?><?><?><?><?><?><?>JVM<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

               javap -J-version
               javap -J-Djava.security.manager -J-Djava.security.policy=MyPolicy MyClassName

           JVM<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -s
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -sysinfo
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?>(<?><?><?><?><?><?><?><?><?><?>MD5<?><?><?><?>)<?><?><?><?><?><?><?>

       -constants
           static final<?><?><?><?><?><?><?><?><?>

       -c
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>Java<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -verbose
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?>locals<?>arguments<?><?><?><?><?><?><?><?><?>

       -classpath path
           <?><?><?><?><?><?><?><?><?>javap<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>CLASSPATH<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -bootclasspath path
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>jre/lib/rt.jar<?><?><?><?><?><?><?><?><?><?>JAR<?><?><?><?><?><?><?><?><?><?>Java<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

       -extdir dirs
           <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>java.ext.dirs<?><?><?>

<?>
       <?><?>DocFooter<?><?><?><?><?><?><?><?><?><?><?><?><?>

           import java.awt.*;
           import java.applet.*;

           public class DocFooter extends Applet {
                   String date;
                   String email;

                   public void init() {
                           resize(500,100);
                           date = getParameter("LAST_UPDATED");
                           email = getParameter("EMAIL");
                   }

                   public void paint(Graphics g) {
                           g.drawString(date + " by ",100, 15);
                           g.drawString(email,290,15);
                   }
           }


       javap
       DocFooter.class<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

           Compiled from "DocFooter.java"
           public class DocFooter extends java.applet.Applet {
             java.lang.String date;
             java.lang.String email;
             public DocFooter();
             public void init();
             public void paint(java.awt.Graphics);
           }


       javap -c
       DocFooter.class<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

           Compiled from "DocFooter.java"
           public class DocFooter extends java.applet.Applet {
             java.lang.String date;
             java.lang.String email;

             public DocFooter();
               Code:
                  0: aload_0
                  1: invokespecial #1                  // Method
           java/applet/Applet."<init>":()V
                  4: return

             public void init();
               Code:
                  0: aload_0
                  1: sipush        500
                  4: bipush        100
                  6: invokevirtual #2                  // Method resize:(II)V
                  9: aload_0
                 10: aload_0
                 11: ldc           #3                  // String LAST_UPDATED
                 13: invokevirtual #4                  // Method
            getParameter:(Ljava/lang/String;)Ljava/lang/String;
                 16: putfield      #5                  // Field date:Ljava/lang/String;
                 19: aload_0
                 20: aload_0
                 21: ldc           #6                  // String EMAIL
                 23: invokevirtual #4                  // Method
            getParameter:(Ljava/lang/String;)Ljava/lang/String;
                 26: putfield      #7                  // Field email:Ljava/lang/String;
                 29: return

             public void paint(java.awt.Graphics);
               Code:
                  0: aload_1
                  1: new           #8                  // class java/lang/StringBuilder
                  4: dup
                  5: invokespecial #9                  // Method
            java/lang/StringBuilder."<init>":()V
                  8: aload_0
                  9: getfield      #5                  // Field date:Ljava/lang/String;
                 12: invokevirtual #10                 // Method
            java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
                 15: ldc           #11                 // String  by
                 17: invokevirtual #10                 // Method
            java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
                 20: invokevirtual #12                 // Method
            java/lang/StringBuilder.toString:()Ljava/lang/String;
                 23: bipush        100
                 25: bipush        15
                 27: invokevirtual #13                 // Method
            java/awt/Graphics.drawString:(Ljava/lang/String;II)V
                 30: aload_1
                 31: aload_0
                 32: getfield      #7                  // Field email:Ljava/lang/String;
                 35: sipush        290
                 38: bipush        15
                 40: invokevirtual #13                 // Method
           java/awt/Graphics.drawString:(Ljava/lang/String;II)V
                 43: return
           }


<?><?><?><?>
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JDK 8                           2014<?>8<?>8<?>                       javap(1)