Java运行原理分析

$\mathbb{A}:$对下面的代码运行进行分析：

public class Demo1{public static void main(String[] args){int x = 500;int y = 100;int a = x / y;int b = 50;System.out.println(a + b);}
}

$\mathbb{B}:$得到的结果

Classfile /D:/WangYiYun/Demo1.classLast modified 2025-5-14; size 414 bytesMD5 checksum ae6fa820973681b35609c75631cb255bCompiled from "Demo1.java"
public class Demo1minor version: 0major version: 52flags: ACC_PUBLIC, ACC_SUPER
Constant pool:#1 = Methodref          #5.#14         // java/lang/Object."<init>":()V#2 = Fieldref           #15.#16        // java/lang/System.out:Ljava/io/PrintStream;#3 = Methodref          #17.#18        // java/io/PrintStream.println:(I)V#4 = Class              #19            // Demo1#5 = Class              #20            // java/lang/Object#6 = Utf8               <init>#7 = Utf8               ()V#8 = Utf8               Code#9 = Utf8               LineNumberTable#10 = Utf8               main#11 = Utf8               ([Ljava/lang/String;)V#12 = Utf8               SourceFile#13 = Utf8               Demo1.java#14 = NameAndType        #6:#7          // "<init>":()V#15 = Class              #21            // java/lang/System#16 = NameAndType        #22:#23        // out:Ljava/io/PrintStream;#17 = Class              #24            // java/io/PrintStream#18 = NameAndType        #25:#26        // println:(I)V#19 = Utf8               Demo1#20 = Utf8               java/lang/Object#21 = Utf8               java/lang/System#22 = Utf8               out#23 = Utf8               Ljava/io/PrintStream;#24 = Utf8               java/io/PrintStream#25 = Utf8               println#26 = Utf8               (I)V
{public Demo1();descriptor: ()Vflags: ACC_PUBLICCode:stack=1, locals=1, args_size=10: aload_01: invokespecial #1                  // Method java/lang/Object."<init>":()V4: returnLineNumberTable:line 1: 0public static void main(java.lang.String[]);descriptor: ([Ljava/lang/String;)Vflags: ACC_PUBLIC, ACC_STATICCode:stack=3, locals=5, args_size=10: sipush        5003: istore_14: bipush        1006: istore_27: iload_18: iload_29: idiv10: istore_311: bipush        5013: istore        415: getstatic     #2                  // Field java/lang/System.out:Ljava/io/PrintStream;18: iload_319: iload         421: iadd22: invokevirtual #3                  // Method java/io/PrintStream.println:(I)V25: returnLineNumberTable:line 3: 0line 4: 4line 5: 7line 6: 11line 7: 15line 8: 25
}
SourceFile: "Demo1.java"

$\mathbb{C}:$运行原理分析：