https://tomcat.apache.org/: Tomcat Servlet Engine Core Classes and Standard implementations 
public class org.apache.catalina.mbeans.ClassNameMBean<T> extends org.apache.catalina.mbeans.BaseCatalinaMBean<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.catalina.mbeans.ClassNameMBean
  super_class: org.apache.catalina.mbeans.BaseCatalinaMBean
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.mbeans.ClassNameMBean this
         0: .line 32
            aload 0 /* this */
            invokespecial org.apache.catalina.mbeans.BaseCatalinaMBean.<init>:()V
            return
        end local 0 // org.apache.catalina.mbeans.ClassNameMBean this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/mbeans/ClassNameMBean<TT;>;

  public java.lang.String getClassName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.mbeans.ClassNameMBean this
         0: .line 40
            aload 0 /* this */
            getfield org.apache.catalina.mbeans.ClassNameMBean.resource:Ljava/lang/Object;
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            areturn
        end local 0 // org.apache.catalina.mbeans.ClassNameMBean this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/mbeans/ClassNameMBean<TT;>;
}
Signature: <T:Ljava/lang/Object;>Lorg/apache/catalina/mbeans/BaseCatalinaMBean<TT;>;
SourceFile: "ClassNameMBean.java"