Bytecode for method f

  // access flags 0x11
  public final f()I
   L0
    LINENUMBER 4 L0
    ICONST_1
    IRETURN
   L1
    LOCALVARIABLE this Lp/A; L0 L1 0
    MAXSTACK = 1
    MAXLOCALS = 1

Bytecode for method f

  // access flags 0x11
  public final f()I
   L0
    LINENUMBER 4 L0
    ICONST_1
    ATHROW
    IRETURN
   L1
    LOCALVARIABLE this Lp/A; L0 L1 0
    MAXSTACK = 1
    MAXLOCALS = 1