Edit D:\chineseall_products\software\win-64bit\Java\lib\com\sun\tools\extcheck\Main.class
?? 4 a & Usage: extcheck [-verbose] <jar file> ()V ()Z (I)V -verbose <init> Code ConstantValue DOES_NOT_EXIST EXTRA Exceptions Extra command line argument: INSUFFICIENT Insufficient number of arguments Jarfile does not exist: LineNumberTable MISSING Main.java Missing <jar file> argument SourceFile StackMapTable append checkInstalledAgainstTarget com/sun/tools/extcheck/ExtCheck com/sun/tools/extcheck/Main create equals err exists exit getMessage java/io/File java/io/PrintStream java/lang/Exception java/lang/Object java/lang/String java/lang/StringBuilder java/lang/System main println realMain toString usage & ' ( ) * + , Ljava/io/PrintStream; Ljava/lang/String; (Ljava/lang/Object;)Z ()Ljava/lang/String; (Ljava/lang/String;)V ([Ljava/lang/String;)V 2(Ljava/io/File;Z)Lcom/sun/tools/extcheck/ExtCheck; -(Ljava/lang/String;)Ljava/lang/StringBuilder; "