Method: doWhileMethod(I)I
  0:	 // label
  1:	 // line number information
  2:	ICONST_0 
  3:	ISTORE 2
  4:	 // label
  5:	 // line number information
  6:	 // stack frame map
  7:	ILOAD 2
  8:	ILOAD 1
  9:	IADD 
  10:	ISTORE 2
  11:	 // label
  12:	 // line number information
  13:	IINC 1 -1
  14:	 // label
  15:	 // line number information
  16:	ILOAD 1
  17:	IFGT 4
  18:	 // label
  19:	 // line number information
  20:	ILOAD 2
  21:	IRETURN