JDK-8066871 のサンプル

javap_Update102.txt

Classfile /E:/Program/Java/workspace/JDK8149330/src/JDK8149330.class
  Last modified 2016/12/15; size 415 bytes
  MD5 checksum 2bb5ca0a6619f3914f196a2857c3d1a4
  Compiled from "JDK8149330.java"
public class JDK8149330
  minor version: 0
  major version: 52
  flags: ACC_PUBLIC, ACC_SUPER
Constant pool:
   #1 = Methodref          #6.#15         // java/lang/Object."<init>":()V
   #2 = Fieldref           #16.#17        // java/lang/System.out:Ljava/io/PrintStream;
   #3 = String             #18            // Y
   #4 = Methodref          #19.#20        // java/io/PrintStream.println:(Ljava/lang/String;)V
   #5 = Class              #21            // JDK8149330
   #6 = Class              #22            // java/lang/Object
   #7 = Utf8               <init>
   #8 = Utf8               ()V
   #9 = Utf8               Code
  #10 = Utf8               LineNumberTable
  #11 = Utf8               main
  #12 = Utf8               ([Ljava/lang/String;)V
  #13 = Utf8               SourceFile
  #14 = Utf8               JDK8149330.java
  #15 = NameAndType        #7:#8          // "<init>":()V
  #16 = Class              #23            // java/lang/System
  #17 = NameAndType        #24:#25        // out:Ljava/io/PrintStream;
  #18 = Utf8               Y
  #19 = Class              #26            // java/io/PrintStream
  #20 = NameAndType        #27:#28        // println:(Ljava/lang/String;)V
  #21 = Utf8               JDK8149330
  #22 = Utf8               java/lang/Object
  #23 = Utf8               java/lang/System
  #24 = Utf8               out
  #25 = Utf8               Ljava/io/PrintStream;
  #26 = Utf8               java/io/PrintStream
  #27 = Utf8               println
  #28 = Utf8               (Ljava/lang/String;)V
{
  public JDK8149330();
    descriptor: ()V
    flags: ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
         0: aload_0
         1: invokespecial #1                  // Method java/lang/Object."<init>":()V
         4: return
      LineNumberTable:
        line 2: 0

  public static void main(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)V
    flags: ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=1
         0: getstatic     #2                  // Field java/lang/System.out:Ljava/io/PrintStream;
         3: ldc           #3                  // String Y
         5: invokevirtual #4                  // Method java/io/PrintStream.println:(Ljava/lang/String;)V
         8: return
      LineNumberTable:
        line 7: 0
        line 8: 8
}
SourceFile: "JDK8149330.java"

javap_Update92.txt

Classfile /E:/Program/Java/workspace/JDK8149330/src/JDK8149330.class
  Last modified 2016/12/15; size 407 bytes
  MD5 checksum e1a1ec6ed9815f96f1ddd25c63b3f725
  Compiled from "JDK8149330.java"
public class JDK8149330
  minor version: 0
  major version: 52
  flags: 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:(Ljava/lang/String;)V
   #4 = Class              #19            // JDK8149330
   #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               JDK8149330.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:(Ljava/lang/String;)V
  #19 = Utf8               JDK8149330
  #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               (Ljava/lang/String;)V
{
  public JDK8149330();
    descriptor: ()V
    flags: ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
         0: aload_0
         1: invokespecial #1                  // Method java/lang/Object."<init>":()V
         4: return
      LineNumberTable:
        line 2: 0

  public static void main(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)V
    flags: ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=1
         0: getstatic     #2                  // Field java/lang/System.out:Ljava/io/PrintStream;
         3: aload_1
         4: invokevirtual #3                  // Method java/io/PrintStream.println:(Ljava/lang/String;)V
         7: return
      LineNumberTable:
        line 7: 0
        line 8: 7
}
SourceFile: "JDK8149330.java"

JDK8149330.java

public class JDK8149330 {

	public static void main(String[] args) {
		final String y = "Y";
		final String n = "N";

		System.out.println(true ? y : n);
	}
}