About float

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Manual
15

Literals in JPQL and Criteria Queries

, 0L, 07777L float: 3.14F, 0f, 1e2f, -2.f, 5.04e+17f double: 3.14, 0d, 1e2D, -2., 5.04e+17 ObjectDB
JDO Doc
11

javax.jdo.spi.StateManager

value of the field Returns: the new value for the field Since: JDO 1.0 float getFloatField( PersistenceCapable pc, int field, float currentValue) Return the value for the field. Return the value ... of the field Since: JDO 1.0 void providedFloatField( PersistenceCapable pc, int field, float currentValue
JPA Doc
10

javax.persistence.criteria.CriteriaBuilder

<Float> x) Create an aggregate expression applying the sum operation to a Float-valued expression, returning a Double result. Create an aggregate expression applying the sum operation to a Float-valued ... Since: JPA 2.0 Expression<Float> toFloat( Expression number) Typecast. Typecast. Returns same
JDO Doc
8

javax.jdo.annotations.Column

when handling floating point values. Scale for the column when handling floating point values. Returns: the scale for the column when handling floating point values Default value: -1 Since: JDO 2.1
JPA Doc
8

javax.persistence.AttributeOverride

{ // address field mapping overridden to ADDR protected Float wage(); public Float getHourlyWage() { ... } public void setHourlyWage(Float wage) { ... } } Example 2
JPA Doc
8

javax.persistence.MappedSuperclass

") protected Float hourlyWage; public PartTimeEmployee() {} public Float getHourlyWage() { ... } public void setHourlyWage(Float wage) { ... } } Since: JPA 1.0
Forum
7

Performance in large transactions

));   emf.close(); } private static List<Float> createFloatArray(float value) {   int values = 1;   List<Float> floats = new ArrayList<Float>(values);   for (float i = 0; i < values; i++) {    floats.add(value + (i / values));   }   return floats; } @Entity public static class
JDO Doc
6

Column.scale

Annotation Element javax.jdo.annotations.Column int scale Scale for the column when handling floating point values. Returns: the scale for the column when handling floating point values Default value: -1 Since: JDO 2.1
JDO Doc
6

getFloatField(pc, field, currentValue)

Method javax.jdo.spi.StateManager float getFloatField(   PersistenceCapable pc,   int field,   float currentValue ) Return the value for the field. Parameters: pc - the calling PersistenceCapable instance field - the field number currentValue - the current value of the field Returns: the new value for the field Since: JDO 1.0
JDO Doc
6

javax.jdo.spi.JDOImplHelper

that has three key fields ( int id, String name, and Float salary) would have the method generated: void ... , and Float salary) would have the method generated: void jdoCopyKeyFieldsToObjectId (Object oid