本篇内容主要讲解“java查看class文件的方法”，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习“java查看class文件的方法”吧!
创新互联公司一直通过网站建设和网站营销帮助企业获得更多客户资源。 以"深度挖掘，量身打造，注重实效"的一站式服务，以成都网站设计、成都网站制作、外贸网站建设、移动互联产品、全网整合营销推广服务为核心业务。十多年网站制作的经验，使用新网站建设技术，全新开发出的标准网站，不但价格便宜而且实用、灵活，特别适合中小公司网站制作。网站管理系统简单易用，维护方便，您可以完全操作网站资料，是中小公司快速网站建设的选择。
1，首先使用javac编译文件
2，使用javap工具打开编辑出来的class文件
javap -verbose SyncTestDemo01.class
会得到如下结果：
D:\idea_workspace\basic_demo\out\production\basic_demo>javap -verbose SyncTestDemo01.class Classfile /D:/idea_workspace/basic_demo/out/production/basic_demo/SyncTestDemo01.class Last modified 2019-8-25; size 863 bytes MD5 checksum a021136873e306367959a587cdbadbd6 Compiled from "SyncTestDemo01.java" public class SyncTestDemo01 minor version: 0 major version: 52 flags: ACC_PUBLIC, ACC_SUPER Constant pool: #1 = Methodref #12.#28 // java/lang/Object."":()V #2 = Long 5000l #4 = Methodref #29.#30 // java/lang/Thread.sleep:(J)V #5 = Class #31 // java/lang/InterruptedException #6 = Methodref #5.#32 // java/lang/InterruptedException.printStackTrace:()V #7 = Fieldref #33.#34 // java/lang/System.out:Ljava/io/PrintStream; #8 = String #35 // synchronized for method #9 = Methodref #36.#37 // java/io/PrintStream.println:(Ljava/lang/String;)V #10 = String #38 // synchronized for method no method #11 = Class #39 // SyncTestDemo01 #12 = Class #40 // java/lang/Object #13 = Utf8 #14 = Utf8 ()V #15 = Utf8 Code #16 = Utf8 LineNumberTable #17 = Utf8 LocalVariableTable #18 = Utf8 this #19 = Utf8 LSyncTestDemo01; #20 = Utf8 testSync #21 = Utf8 e #22 = Utf8 Ljava/lang/InterruptedException; #23 = Utf8 StackMapTable #24 = Class #31 // java/lang/InterruptedException #25 = Utf8 test01 #26 = Utf8 SourceFile #27 = Utf8 SyncTestDemo01.java #28 = NameAndType #13:#14 // " ":()V #29 = Class #41 // java/lang/Thread #30 = NameAndType #42:#43 // sleep:(J)V #31 = Utf8 java/lang/InterruptedException #32 = NameAndType #44:#14 // printStackTrace:()V #33 = Class #45 // java/lang/System #34 = NameAndType #46:#47 // out:Ljava/io/PrintStream; #35 = Utf8 synchronized for method #36 = Class #48 // java/io/PrintStream #37 = NameAndType #49:#50 // println:(Ljava/lang/String;)V #38 = Utf8 synchronized for method no method #39 = Utf8 SyncTestDemo01 #40 = Utf8 java/lang/Object #41 = Utf8 java/lang/Thread #42 = Utf8 sleep #43 = Utf8 (J)V #44 = Utf8 printStackTrace #45 = Utf8 java/lang/System #46 = Utf8 out #47 = Utf8 Ljava/io/PrintStream; #48 = Utf8 java/io/PrintStream #49 = Utf8 println #50 = Utf8 (Ljava/lang/String;)V { public SyncTestDemo01(); descriptor: ()V flags: ACC_PUBLIC Code: stack=1, locals=1, args_size=1 0: aload_0 1: invokespecial #1 // Method java/lang/Object." ":()V 4: return LineNumberTable: line 1: 0 LocalVariableTable: Start Length Slot Name Signature 0 5 0 this LSyncTestDemo01; public synchronized void testSync(); descriptor: ()V flags: ACC_PUBLIC, ACC_SYNCHRONIZED Code: stack=2, locals=2, args_size=1 0: ldc2_w #2 // long 5000l 3: invokestatic #4 // Method java/lang/Thread.sleep:(J)V 6: goto 14 9: astore_1 10: aload_1 11: invokevirtual #6 // Method java/lang/InterruptedException.printStackTrace:()V 14: getstatic #7 // Field java/lang/System.out:Ljava/io/PrintStream; 17: ldc #8 // String synchronized for method 19: invokevirtual #9 // Method java/io/PrintStream.println:(Ljava/lang/String;)V 22: return Exception table: from to target type 0 6 9 Class java/lang/InterruptedException LineNumberTable: line 5: 0 line 8: 6 line 6: 9 line 7: 10 line 9: 14 line 10: 22 LocalVariableTable: Start Length Slot Name Signature 10 4 1 e Ljava/lang/InterruptedException; 0 23 0 this LSyncTestDemo01; StackMapTable: number_of_entries = 2 frame_type = 73 /* same_locals_1_stack_item */ stack = [ class java/lang/InterruptedException ] frame_type = 4 /* same */ public void test01(); descriptor: ()V flags: ACC_PUBLIC Code: stack=2, locals=1, args_size=1 0: getstatic #7 // Field java/lang/System.out:Ljava/io/PrintStream; 3: ldc #10 // String synchronized for method no method 5: invokevirtual #9 // Method java/io/PrintStream.println:(Ljava/lang/String;)V 8: return LineNumberTable: line 13: 0 line 14: 8 LocalVariableTable: Start Length Slot Name Signature 0 9 0 this LSyncTestDemo01; } SourceFile: "SyncTestDemo01.java"
到此，相信大家对“java查看class文件的方法”有了更深的了解，不妨来实际操作一番吧！这里是创新互联网站，更多相关内容可以进入相关频道进行查询，关注我们，继续学习！
