Singleton.getInstance:()LSingleton;:
regs: 0001; ins: 0000; outs: 0001
  0000: new-instance v0, Singleton // type@0000       һյĶ   öûнгʼ
  0002: invoke-direct {v0}, Singleton.<init>:()V // method@0001   жʼ       ù췽 ʵ
  0005: sput-object v0, Singleton.instance:LSingleton; // field@0000    ѳʼϵĶڵĶ  ֵ
  0007: sget-object v0, Singleton.instance:LSingleton; // field@0000
  0009: return-object v0
