java，看不懂，高手来指点下

.class public final j
.super javax/microedition/lcdui/Canvas
.inner class inner j outer QQmidlet ;

.field public a Ljavax/microedition/lcdui/Image;
.field public final b LQQmidlet;

.method public (LQQmidlet;)V
.limit stack 2
.limit locals 3
aload_0
invokespecial javax/microedition/lcdui/Canvas/()V
aload_0
aload_1
putfield j/b LQQmidlet;
aload_0
iconst_1
invokevirtual javax/microedition/lcdui/Canvas/setFullScreenMode(Z)V
Label14:
aload_0
ldc “/res/logo.png”
invokestatic javax/microedition/lcdui/Image/createImage(Ljava/lang/String;)Ljavax/microedition/lcdui/Image;
putfield j/a Ljavax/microedition/lcdui/Image;
Label23:
return
Label24:
pop
return
.catch java/io/IOException from Label14 to Label23 using Label24
.end method
我什么也不懂，想学…这是手机JAVA游戏中的