https://www.graalvm.org/ 
public class org.graalvm.compiler.debug.test.CSVUtilTest
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.graalvm.compiler.debug.test.CSVUtilTest
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.debug.test.CSVUtilTest this
         0: .line 45
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.graalvm.compiler.debug.test.CSVUtilTest this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/debug/test/CSVUtilTest;
}
SourceFile: "CSVUtilTest.java"
NestMembers:
  org.graalvm.compiler.debug.test.CSVUtilTest$Escape  org.graalvm.compiler.debug.test.CSVUtilTest$FormatStringBuilder  org.graalvm.compiler.debug.test.CSVUtilTest$Formatter
InnerClasses:
  public Escape = org.graalvm.compiler.debug.test.CSVUtilTest$Escape of org.graalvm.compiler.debug.test.CSVUtilTest
  public FormatStringBuilder = org.graalvm.compiler.debug.test.CSVUtilTest$FormatStringBuilder of org.graalvm.compiler.debug.test.CSVUtilTest
  public Formatter = org.graalvm.compiler.debug.test.CSVUtilTest$Formatter of org.graalvm.compiler.debug.test.CSVUtilTest
    RuntimeVisibleAnnotations: 
      org.junit.runner.RunWith(value = Lorg/junit/experimental/runners/Enclosed;)