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I picked up a nice little tip for easy conversion between an int and a String. Previously I'd always done something like

int one = 1;
String str = String.valueOf(one);

int one = 1;
String str = one + "";

   L0 (0)
    ICONST_1
    ISTORE 1: one
   L1 (3)
    ILOAD 1: one
    INVOKESTATIC String.valueOf(int) : String
    ASTORE 2: str
   L2 (7)
    RETURN
   L3 (9)

   L0 (0)
    ICONST_1
    ISTORE 1: one
   L1 (3)
    NEW StringBuffer
    DUP
    ILOAD 1: one
    INVOKESTATIC String.valueOf(int) : String
    INVOKESPECIAL StringBuffer.(String) : void
    INVOKEVIRTUAL StringBuffer.toString() : String
    ASTORE 2: str
   L2 (11)
    RETURN
   L3 (13)