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About double

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Manual
20

Index Definition

, float, double. Equivalent wrapper classes from package java.lang: Byte, Short, Character, Integer, Long, Float, Double. java.math.BigInteger, java.math.BigDecimal. java.lang.String. java.util.Date
Manual
20

JPA Primary Key

: boolean, byte, short, char, int, long, float, double. Equivalent wrapper classes from package java.lang: Byte, Short, Character, Integer, Long, Float, Double. java.math.BigInteger, java.math.BigDecimal
Manual
14

Entity Management Settings

on commit or flush. Usually, commit time only cascade (which is more efficient than double cascade
Tutorial
14

Step 2: Entity Class and Persistence Unit

a text editor (by right clicking and selecting Edit or by double click and then moving to the Source
Tutorial
14

Step 2: Entity Class and Persistence Unit

the persistence.xml file in a text editor (by right clicking and selecting Edit or by double click
Tutorial
14

Step 6: Set the Spring XML

clicking and selecting Edit or by double click and then moving to the XML tab in the editor window
Tutorial
14

Step 6: Set the Spring XML

right clicking and selecting Open With > Text Editor or by double click and then moving to the Source
Manual
14

CRUD Database Operations with JPA

"); System.out.println("Average X: " + q2.getSingleResult()); The new query returns a Double
JPA Doc
11

javax.persistence.criteria.CriteriaBuilder

.0 Expression<Double> avg( Expression x) Create an aggregate expression applying the avg operation ... Expression<Double> sqrt( Expression x) Create an expression that returns the square root of its argument ... - expression y - expression Returns: sum Since: JPA 2.0 Expression<Double> sumAsDouble( Expression
JDO Doc
10

javax.jdo.spi.StateManager

Returns: the new value for the field Since: JDO 1.0 double getDoubleField( PersistenceCapable pc, int field, double currentValue) Return the value for the field. Return the value for the field. Parameters ... ( PersistenceCapable pc, int field, double currentValue) The value of the field requested to be provided