Tutorial by Topics: big

The BigInteger class is used for mathematical operations involving large integers with magnitudes too large for primitive data types. For example 100-factorial is 158 digits - much larger than a long can represent. BigInteger provides analogues to all of Java's primitive integer operators, and all relevant methods from java.lang.Math as well as few other operations.

The BigDecimal class provides operations for arithmetic (add, subtract, multiply, divide), scale manipulation, rounding, comparison, hashing, and format conversion. The BigDecimal represents immutable, arbitrary-precision signed decimal numbers. This class shall be used in a necessity of high-precision calculation.

We can secure the data in Hadoop using different methods. Each method has its own advantages. We can also combine more than one method for better result. This topic covers the advantages & limitations of each method

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