字节码

public class TextClass {
    String name;
    Integer age;

    public TextClass(String name, Integer age) {
        this.name = name;
        this.age = age;
    }

    public void show(){
        System.out.println("Hello MotherFucker");
    }

}

Classfile /C:/1/test/out/production/test/TextClass.class
  Last modified 2021-7-31; size 660 bytes
  MD5 checksum 9ab04c39930dc92a510f52caf49cfa0c
  Compiled from "TextClass.java"
public class TextClass
  minor version: 0
  major version: 52
  flags: ACC_PUBLIC, ACC_SUPER
Constant pool:
   #1 = Methodref          #8.#24         // java/lang/Object."<init>":()V
   #2 = Fieldref           #7.#25         // TextClass.name:Ljava/lang/String;
   #3 = Fieldref           #7.#26         // TextClass.age:Ljava/lang/Integer;
   #4 = Fieldref           #27.#28        // java/lang/System.out:Ljava/io/PrintStream;
   #5 = String             #29            // Hello MotherFucker
   #6 = Methodref          #30.#31        // java/io/PrintStream.println:(Ljava/lang/String;)V
   #7 = Class              #32            // TextClass
   #8 = Class              #33            // java/lang/Object
   #9 = Utf8               name
  #10 = Utf8               Ljava/lang/String;
  #11 = Utf8               age
  #12 = Utf8               Ljava/lang/Integer;
  #13 = Utf8               <init>
  #14 = Utf8               (Ljava/lang/String;Ljava/lang/Integer;)V
  #15 = Utf8               Code
  #16 = Utf8               LineNumberTable
  #17 = Utf8               LocalVariableTable
  #18 = Utf8               this
  #19 = Utf8               LTextClass;
  #20 = Utf8               show
  #21 = Utf8               ()V
  #22 = Utf8               SourceFile
  #23 = Utf8               TextClass.java
  #24 = NameAndType        #13:#21        // "<init>":()V
  #25 = NameAndType        #9:#10         // name:Ljava/lang/String;
  #26 = NameAndType        #11:#12        // age:Ljava/lang/Integer;
  #27 = Class              #34            // java/lang/System
  #28 = NameAndType        #35:#36        // out:Ljava/io/PrintStream;
  #29 = Utf8               Hello MotherFucker
  #30 = Class              #37            // java/io/PrintStream
  #31 = NameAndType        #38:#39        // println:(Ljava/lang/String;)V
  #32 = Utf8               TextClass
  #33 = Utf8               java/lang/Object
  #34 = Utf8               java/lang/System
  #35 = Utf8               out
  #36 = Utf8               Ljava/io/PrintStream;
  #37 = Utf8               java/io/PrintStream
  #38 = Utf8               println
  #39 = Utf8               (Ljava/lang/String;)V
{
  java.lang.String name;
    descriptor: Ljava/lang/String;
    flags:

  java.lang.Integer age;
    descriptor: Ljava/lang/Integer;
    flags:

  public TextClass(java.lang.String, java.lang.Integer);
    descriptor: (Ljava/lang/String;Ljava/lang/Integer;)V
    flags: ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
         0: aload_0
         1: invokespecial #1                  // Method java/lang/Object."<init>":()V
         4: aload_0
         5: aload_1
         6: putfield      #2                  // Field name:Ljava/lang/String;
         9: aload_0
        10: aload_2
        11: putfield      #3                  // Field age:Ljava/lang/Integer;
        14: return
      LineNumberTable:
        line 9: 0
        line 10: 4
        line 11: 9
        line 12: 14
      LocalVariableTable:
        Start  Length  Slot  Name   Signature
            0      15     0  this   LTextClass;
            0      15     1  name   Ljava/lang/String;
            0      15     2   age   Ljava/lang/Integer;

  public void show();
    descriptor: ()V
    flags: ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
         0: getstatic     #4                  // Field java/lang/System.out:Ljava/io/PrintStream;
         3: ldc           #5                  // String Hello MotherFucker
         5: invokevirtual #6                  // Method java/io/PrintStream.println:(Ljava/lang/String;)V
         8: return
      LineNumberTable:
        line 15: 0
        line 16: 8
      LocalVariableTable:
        Start  Length  Slot  Name   Signature
            0       9     0  this   LTextClass;
}
SourceFile: "TextClass.java"