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Uses of Class java.math.BigDecimal (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

JavaTM 2 Platform
Standard Ed. 5.0

Uses of Class
java.math.BigDecimal

Packages that use BigDecimal
java.math Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal). 
java.sql Provides the API for accessing and processing data stored in a data source (usually a relational database) using the JavaTM programming language. 
java.util Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array). 
javax.sql Provides the API for server side data source access and processing from the JavaTM programming language. 
javax.sql.rowset Standard interfaces and base classes for JDBC RowSet implementations. 
javax.sql.rowset.serial Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language. 
javax.xml.datatype XML/Java Type Mappings. 
org.omg.CORBA Provides the mapping of the OMG CORBA APIs to the JavaTM programming language, including the class ORB, which is implemented so that a programmer can use it as a fully-functional Object Request Broker (ORB). 
org.omg.CORBA.portable Provides a portability layer, that is, a set of ORB APIs that makes it possible for code generated by one vendor to run on another vendor's ORB. 
 

Uses of BigDecimal in java.math
 

Fields in java.math declared as BigDecimal
static BigDecimal BigDecimal.ONE
          The value 1, with a scale of 0.
static BigDecimal BigDecimal.TEN
          The value 10, with a scale of 0.
static BigDecimal BigDecimal.ZERO
          The value 0, with a scale of 0.
 

Methods in java.math that return BigDecimal
 BigDecimal BigDecimal.abs()
          Returns a BigDecimal whose value is the absolute value of this BigDecimal, and whose scale is this.scale().
 BigDecimal BigDecimal.abs(MathContext mc)
          Returns a BigDecimal whose value is the absolute value of this BigDecimal, with rounding according to the context settings.
 BigDecimal BigDecimal.add(BigDecimal augend)
          Returns a BigDecimal whose value is (this + augend), and whose scale is max(this.scale(), augend.scale()).
 BigDecimal BigDecimal.add(BigDecimal augend, MathContext mc)
          Returns a BigDecimal whose value is (this + augend), with rounding according to the context settings.
 BigDecimal BigDecimal.divide(BigDecimal divisor)
          Returns a BigDecimal whose value is (this / divisor), and whose preferred scale is (this.scale() - divisor.scale()); if the exact quotient cannot be represented (because it has a non-terminating decimal expansion) an ArithmeticException is thrown.
 BigDecimal BigDecimal.divide(BigDecimal divisor, int roundingMode)
          Returns a BigDecimal whose value is (this / divisor), and whose scale is this.scale().
 BigDecimal BigDecimal.divide(BigDecimal divisor, int scale, int roundingMode)
          Returns a BigDecimal whose value is (this / divisor), and whose scale is as specified.
 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, MathContext mc)
          Returns a BigDecimal whose value is (this / divisor), with rounding according to the context settings.
 BigDecimal BigDecimal.divide(BigDecimal divisor, RoundingMode roundingMode)
          Returns a BigDecimal whose value is (this / divisor), and whose scale is this.scale().
 BigDecimal[] BigDecimal.divideAndRemainder(BigDecimal divisor)
          Returns a two-element BigDecimal array containing the result of divideToIntegralValue followed by the result of remainder on the two operands.
 BigDecimal[] BigDecimal.divideAndRemainder(BigDecimal divisor, MathContext mc)
          Returns a two-element BigDecimal array containing the result of divideToIntegralValue followed by the result of remainder on the two operands calculated with rounding according to the context settings.
 BigDecimal BigDecimal.divideToIntegralValue(BigDecimal divisor)
          Returns a BigDecimal whose value is the integer part of the quotient (this / divisor) rounded down.
 BigDecimal BigDecimal.divideToIntegralValue(BigDecimal divisor, MathContext mc)
          Returns a BigDecimal whose value is the integer part of (this / divisor).
 BigDecimal BigDecimal.max(BigDecimal val)
          Returns the maximum of this BigDecimal and val.
 BigDecimal BigDecimal.min(BigDecimal val)
          Returns the minimum of this BigDecimal and val.
 BigDecimal BigDecimal.movePointLeft(int n)
          Returns a BigDecimal which is equivalent to this one with the decimal point moved n places to the left.
 BigDecimal BigDecimal.movePointRight(int n)
          Returns a BigDecimal which is equivalent to this one with the decimal point moved n places to the right.
 BigDecimal BigDecimal.multiply(BigDecimal multiplicand)
          Returns a BigDecimal whose value is (this × multiplicand), and whose scale is (this.scale() + multiplicand.scale()).
 BigDecimal BigDecimal.multiply(BigDecimal multiplicand, MathContext mc)
          Returns a BigDecimal whose value is (this × multiplicand), with rounding according to the context settings.
 BigDecimal BigDecimal.negate()
          Returns a BigDecimal whose value is (-this), and whose scale is this.scale().
 BigDecimal BigDecimal.negate(MathContext mc)
          Returns a BigDecimal whose value is (-this), with rounding according to the context settings.
 BigDecimal BigDecimal.plus()
          Returns a BigDecimal whose value is (+this), and whose scale is this.scale().
 BigDecimal BigDecimal.plus(MathContext mc)
          Returns a BigDecimal whose value is (+this), with rounding according to the context settings.
 BigDecimal BigDecimal.pow(int n)
          Returns a BigDecimal whose value is (thisn), The power is computed exactly, to unlimited precision.
 BigDecimal BigDecimal.pow(int n, MathContext mc)
          Returns a BigDecimal whose value is (thisn).
 BigDecimal BigDecimal.remainder(BigDecimal divisor)
          Returns a BigDecimal whose value is (this % divisor).
 BigDecimal BigDecimal.remainder(BigDecimal divisor, MathContext mc)
          Returns a BigDecimal whose value is (this % divisor), with rounding according to the context settings.
 BigDecimal BigDecimal.round(MathContext mc)
          Returns a BigDecimal rounded according to the MathContext settings.
 BigDecimal BigDecimal.scaleByPowerOfTen(int n)
          Returns a BigDecimal whose numerical value is equal to (this * 10n).
 BigDecimal BigDecimal.setScale(int newScale)
          Returns a BigDecimal whose scale is the specified value, and whose value is numerically equal to this BigDecimal's.
 BigDecimal BigDecimal.setScale(int newScale, int 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.
 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.
 BigDecimal BigDecimal.stripTrailingZeros()
          Returns a BigDecimal which is numerically equal to this one but with any trailing zeros removed from the representation.
 BigDecimal BigDecimal.subtract(BigDecimal subtrahend)
          Returns a BigDecimal whose value is (this - subtrahend), and whose scale is max(this.scale(), subtrahend.scale()).
 BigDecimal BigDecimal.subtract(BigDecimal subtrahend, MathContext mc)
          Returns a BigDecimal whose value is (this - subtrahend), with rounding according to the context settings.
 BigDecimal BigDecimal.ulp()
          Returns the size of an ulp, a unit in the last place, of this BigDecimal.
static BigDecimal BigDecimal.valueOf(double val)
          Translates a double into a BigDecimal, using the double's canonical string representation provided by the Double.toString(double) method.
static BigDecimal BigDecimal.valueOf(long val)
          Translates a long value into a BigDecimal with a scale of zero.
static BigDecimal BigDecimal.valueOf(long unscaledVal, int scale)
          Translates a long unscaled value and an int scale into a BigDecimal.
 

Methods in java.math with parameters of type BigDecimal
 BigDecimal BigDecimal.add(BigDecimal augend)
          Returns a BigDecimal whose value is (this + augend), and whose scale is max(this.scale(), augend.scale()).
 BigDecimal BigDecimal.add(BigDecimal augend, MathContext mc)
          Returns a BigDecimal whose value is (this + augend), with rounding according to the context settings.
 int BigDecimal.compareTo(BigDecimal val)
          Compares this BigDecimal with the specified BigDecimal.
 BigDecimal BigDecimal.divide(BigDecimal divisor)
          Returns a BigDecimal whose value is (this / divisor), and whose preferred scale is (this.scale() - divisor.scale()); if the exact quotient cannot be represented (because it has a non-terminating decimal expansion) an ArithmeticException is thrown.
 BigDecimal BigDecimal.divide(BigDecimal divisor, int roundingMode)
          Returns a BigDecimal whose value is (this / divisor), and whose scale is this.scale().
 BigDecimal BigDecimal.divide(BigDecimal divisor, int scale, int roundingMode)
          Returns a BigDecimal whose value is (this / divisor), and whose scale is as specified.
 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, MathContext mc)
          Returns a BigDecimal whose value is (this / divisor), with rounding according to the context settings.
 BigDecimal BigDecimal.divide(BigDecimal divisor, RoundingMode roundingMode)
          Returns a BigDecimal whose value is (this / divisor), and whose scale is this.scale().
 BigDecimal[] BigDecimal.divideAndRemainder(BigDecimal divisor)
          Returns a two-element BigDecimal array containing the result of divideToIntegralValue followed by the result of remainder on the two operands.
 BigDecimal[] BigDecimal.divideAndRemainder(BigDecimal divisor, MathContext mc)
          Returns a two-element BigDecimal array containing the result of divideToIntegralValue followed by the result of remainder on the two operands calculated with rounding according to the context settings.
 BigDecimal BigDecimal.divideToIntegralValue(BigDecimal divisor)
          Returns a BigDecimal whose value is the integer part of the quotient (this / divisor) rounded down.
 BigDecimal BigDecimal.divideToIntegralValue(BigDecimal divisor, MathContext mc)
          Returns a BigDecimal whose value is the integer part of (this / divisor).
 BigDecimal BigDecimal.max(BigDecimal val)
          Returns the maximum of this BigDecimal and val.
 BigDecimal BigDecimal.min(BigDecimal val)
          Returns the minimum of this BigDecimal and val.
 BigDecimal BigDecimal.multiply(BigDecimal multiplicand)
          Returns a BigDecimal whose value is (this × multiplicand), and whose scale is (this.scale() + multiplicand.scale()).
 BigDecimal BigDecimal.multiply(BigDecimal multiplicand, MathContext mc)
          Returns a BigDecimal whose value is (this × multiplicand), with rounding according to the context settings.
 BigDecimal BigDecimal.remainder(BigDecimal divisor)
          Returns a BigDecimal whose value is (this % divisor).
 BigDecimal BigDecimal.remainder(BigDecimal divisor, MathContext mc)
          Returns a BigDecimal whose value is (this % divisor), with rounding according to the context settings.
 BigDecimal BigDecimal.subtract(BigDecimal subtrahend)
          Returns a BigDecimal whose value is (this - subtrahend), and whose scale is max(this.scale(), subtrahend.scale()).
 BigDecimal BigDecimal.subtract(BigDecimal subtrahend, MathContext mc)
          Returns a BigDecimal whose value is (this - subtrahend), with rounding according to the context settings.
 

Uses of BigDecimal in java.sql
 

Methods in java.sql that return BigDecimal
 BigDecimal CallableStatement.getBigDecimal(int parameterIndex)
          Retrieves the value of the designated JDBC NUMERIC parameter as a java.math.BigDecimal object with as many digits to the right of the decimal point as the value contains.
 BigDecimal ResultSet.getBigDecimal(int columnIndex)
          Retrieves the value of the designated column in the current row of this ResultSet object as a java.math.BigDecimal with full precision.
 BigDecimal CallableStatement.getBigDecimal(int parameterIndex, int scale)
          Deprecated. use getBigDecimal(int parameterIndex) or getBigDecimal(String parameterName)
 BigDecimal ResultSet.getBigDecimal(int columnIndex, int scale)
          Deprecated.  
 BigDecimal CallableStatement.getBigDecimal(String parameterName)
          Retrieves the value of a JDBC NUMERIC parameter as a java.math.BigDecimal object with as many digits to the right of the decimal point as the value contains.
 BigDecimal ResultSet.getBigDecimal(String columnName)
          Retrieves the value of the designated column in the current row of this ResultSet object as a java.math.BigDecimal with full precision.
 BigDecimal ResultSet.getBigDecimal(String columnName, int scale)
          Deprecated.  
 BigDecimal SQLInput.readBigDecimal()
          Reads the next attribute in the stream and returns it as a java.math.BigDecimal object in the Java programming language.
 

Methods in java.sql with parameters of type BigDecimal
 void PreparedStatement.setBigDecimal(int parameterIndex, BigDecimal x)
          Sets the designated parameter to the given java.math.BigDecimal value.
 void CallableStatement.setBigDecimal(String parameterName, BigDecimal x)
          Sets the designated parameter to the given java.math.BigDecimal value.
 void ResultSet.updateBigDecimal(int columnIndex, BigDecimal x)
          Updates the designated column with a java.math.BigDecimal value.
 void ResultSet.updateBigDecimal(String columnName, BigDecimal x)
          Updates the designated column with a java.sql.BigDecimal value.
 void SQLOutput.writeBigDecimal(BigDecimal x)
          Writes the next attribute to the stream as a java.math.BigDecimal object.
 

Uses of BigDecimal in java.util
 

Methods in java.util that return BigDecimal
 BigDecimal Scanner.nextBigDecimal()
          Scans the next token of the input as a BigDecimal.
 

Uses of BigDecimal in javax.sql
 

Methods in javax.sql with parameters of type BigDecimal
 void RowSet.setBigDecimal(int parameterIndex, BigDecimal x)
          Sets the designated parameter in this RowSet object's command to the given java.math.BigDeciaml value.
 

Uses of BigDecimal in javax.sql.rowset
 

Methods in javax.sql.rowset with parameters of type BigDecimal
 void BaseRowSet.setBigDecimal(int parameterIndex, BigDecimal x)
          Sets the designated parameter to the given java.lang.BigDecimal value.
 

Uses of BigDecimal in javax.sql.rowset.serial
 

Methods in javax.sql.rowset.serial that return BigDecimal
 BigDecimal SQLInputImpl.readBigDecimal()
          Retrieves the next attribute in this SQLInputImpl object as a java.math.BigDecimal.
 

Methods in javax.sql.rowset.serial with parameters of type BigDecimal
 void SQLOutputImpl.writeBigDecimal(BigDecimal x)
          Writes a java.math.BigDecimal object in the Java programming language to this SQLOutputImpl object.
 

Uses of BigDecimal in javax.xml.datatype
 

Methods in javax.xml.datatype that return BigDecimal
abstract  BigDecimal XMLGregorianCalendar.getFractionalSecond()
          Return fractional seconds.
 

Methods in javax.xml.datatype with parameters of type BigDecimal
abstract  Duration Duration.multiply(BigDecimal factor)
          Computes a new duration whose value is factor times longer than the value of this duration.
abstract  Duration DatatypeFactory.newDuration(boolean isPositive, BigInteger years, BigInteger months, BigInteger days, BigInteger hours, BigInteger minutes, BigDecimal seconds)
          Obtain a new instance of a Duration specifying the Duration as isPositive, years, months, days, hours, minutes, seconds.
abstract  XMLGregorianCalendar DatatypeFactory.newXMLGregorianCalendar(BigInteger year, int month, int day, int hour, int minute, int second, BigDecimal fractionalSecond, int timezone)
          Constructor allowing for complete value spaces allowed by W3C XML Schema 1.0 recommendation for xsd:dateTime and related builtin datatypes.
 XMLGregorianCalendar DatatypeFactory.newXMLGregorianCalendarTime(int hours, int minutes, int seconds, BigDecimal fractionalSecond, int timezone)
          Create a Java instance of XML Schema builtin datatype time.
abstract  void XMLGregorianCalendar.setFractionalSecond(BigDecimal fractional)
          Set fractional seconds.
 void XMLGregorianCalendar.setTime(int hour, int minute, int second, BigDecimal fractional)
          Set time as one unit, including the optional infinite precision fractional seconds.
 

Uses of BigDecimal in org.omg.CORBA
 

Fields in org.omg.CORBA declared as BigDecimal
 BigDecimal FixedHolder.value
          The value held by the FixedHolder
 

Methods in org.omg.CORBA that return BigDecimal
 BigDecimal Any.extract_fixed()
          Extracts the java.math.BigDecimal object in this Any object's value field.
 

Methods in org.omg.CORBA with parameters of type BigDecimal
 void Any.insert_fixed(BigDecimal value)
          Throws an org.omg.CORBA.NO_IMPLEMENT exception.
 void Any.insert_fixed(BigDecimal value, TypeCode type)
          Throws an org.omg.CORBA.NO_IMPLEMENT exception.
 

Constructors in org.omg.CORBA with parameters of type BigDecimal
FixedHolder(BigDecimal initial)
          Construct the FixedHolder and initialize it with the given value.
 

Uses of BigDecimal in org.omg.CORBA.portable
 

Methods in org.omg.CORBA.portable that return BigDecimal
 BigDecimal InputStream.read_fixed()
          Reads a BigDecimal number.
 

Methods in org.omg.CORBA.portable with parameters of type BigDecimal
 void OutputStream.write_fixed(BigDecimal value)
          Writes a BigDecimal number.
 


JavaTM 2 Platform
Standard Ed. 5.0

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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