javap 反编译
static {};
Code:
0: ldc #18 // String ConnectionManager
2: invokestatic #20 // Method org/apache/log4j/Logger.getLogger:(Ljava/lang/String;)Lorg/apache/log4j/Logger;
5: putstatic #26 // Field logger:Lorg/apache/log4j/Logger;
8: new #1 // class com/casino/connection/ConnectionManager
11: dup
12: invokespecial #28 // Method "<init>":()V
15: putstatic #31 // Field instance:Lcom/casino/connection/ConnectionManager;
18: return
LineNumberTable:
line 29: 0
line 30: 8
LocalVariableTable:
Start Length Slot Name Signature
里面的 #18 #20
line 29: 0 代表设么意思????