Package  Description 

java.math 
Provides classes for performing arbitraryprecision integer
arithmetic (
BigInteger ) and arbitraryprecision decimal
arithmetic (BigDecimal ). 
java.text 
Provides classes and interfaces for handling text, dates, numbers, and messages
in a manner independent of natural languages.

Modifier and Type  Method and Description 

RoundingMode 
MathContext.getRoundingMode()
Returns the roundingMode setting.

static RoundingMode 
RoundingMode.valueOf(int rm)
Returns the
RoundingMode object corresponding to a
legacy integer rounding mode constant in BigDecimal . 
static RoundingMode 
RoundingMode.valueOf(String name)
Returns the enum constant of this type with the specified name.

static RoundingMode[] 
RoundingMode.values()
Returns an array containing the constants of this enum type, in
the order they are declared.

Modifier and Type  Method and Description 

BigDecimal 
BigDecimal.divide(BigDecimal divisor,
int scale,
RoundingMode roundingMode)
Returns a
BigDecimal whose value is (this /
divisor) , and whose scale is as specified. 
BigDecimal 
BigDecimal.divide(BigDecimal divisor,
RoundingMode roundingMode)
Returns a
BigDecimal whose value is (this /
divisor) , and whose scale is this.scale() . 
BigDecimal 
BigDecimal.setScale(int newScale,
RoundingMode roundingMode)
Returns a
BigDecimal whose scale is the specified
value, and whose unscaled value is determined by multiplying or
dividing this BigDecimal 's unscaled value by the
appropriate power of ten to maintain its overall value. 
Constructor and Description 

MathContext(int setPrecision,
RoundingMode setRoundingMode)
Constructs a new
MathContext with a specified
precision and rounding mode. 
Modifier and Type  Method and Description 

RoundingMode 
NumberFormat.getRoundingMode()
Gets the
RoundingMode used in this NumberFormat. 
RoundingMode 
DecimalFormat.getRoundingMode()
Gets the
RoundingMode used in this DecimalFormat. 
Modifier and Type  Method and Description 

void 
NumberFormat.setRoundingMode(RoundingMode roundingMode)
Sets the
RoundingMode used in this NumberFormat. 
void 
DecimalFormat.setRoundingMode(RoundingMode roundingMode)
Sets the
RoundingMode used in this DecimalFormat. 
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developertargeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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