doStartTag()
Default processing of the start tag, returning SKIP_BODY.
doStartTag() in TagSupport
April 6, 2009divisor
January 24, 2009if d divides a (which means a=k*d) and d>=0 than d is a divisor of a.
a,k,d are integers
polynomial-time algorithm
January 24, 2009with integer inputs a1, ….,ak and runs in time polynomial in lg a1,…,lg ak
LinkedList vs ArrayList
January 22, 2009both save order, difference is in performance: for insertions use LinkedList, use ArrayList for random access
FFT
January 20, 2009FFT=Fast Fourier Transform
can reduce time to multiply polynomials to θ(n* lg n)