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Elviawaty M. Zamzami
Faculty of Computer Science and Information Technology, Universitas Sumatera Utara, Jalan Universitas No.9, Padang Bulan, Medan Baru, Kota Medan 20222, Sumatera Utara
Computer Science & IT

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Performance Analysis of BigDecimal Arithmetic Operation in Java Jos Timanta Tarigan; Elviawaty M. Zamzami; Cindy Laurent Ginting
Journal of ICT Research and Applications Vol. 12 No. 3 (2018)
Publisher : LPPM ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/itbj.ict.res.appl.2018.12.3.5

Abstract

The Java programming language provides binary floating-point primitive data types such as float and double to represent decimal numbers. However, these data types cannot represent decimal numbers with complete accuracy, which may cause precision errors while performing calculations. To achieve better precision, Java provides the BigDecimal class. Unlike float and double, which use approximation, this class is able to represent the exact value of a decimal number. However, it comes with a drawback: BigDecimal is treated as an object and requires additional CPU and memory usage to operate with. In this paper, statistical data are presented of performance impact on using BigDecimal compared to the double data type. As test cases, common mathematical processes were used, such as calculating mean value, sorting, and multiplying matrices.
Co-Authors Cindy Laurent Ginting Jos Timanta Tarigan