About Date

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Tutorial
16

Step 2: Define a JPA Entity Class

code: package guest; import java.io.Serializable; import java.sql.Date; import javax.persistence ... Date signingDate; // Constructors: public Guest() { } public Guest(String name) { this.name = name; this.signingDate = new Date(System.currentTimeMillis
Manual
16

Index Definition

; @Unique Integer indexedField4; // unique @Unique(name="u2") Date indexedField5; // unique ... , Long, Float, Double. java.math.BigInteger, java.math.BigDecimal. java.lang.String. java.util.Date, java.sql.Date, java.sql.Time, java.sql.Timestamp. Any enum type. Reference to an entity object
Tutorial
16

Step 2: Entity Class and Persistence Unit

with the following code: package guest; import java.io.Serializable; import java.sql.Date; import javax ... ; private Date signingDate; // Constructors: public Guest() { } public Guest(String name) { this.name = name; this.signingDate = new Date(System.currentTimeMillis
Manual
16

JPA Primary Key

. java.lang.String. java.util.Date, java.sql.Date, java.sql.Time, java.sql.Timestamp. Any enum type ... Class EventId { int sensorId; Date time; } Because entity objects are ordered in
Tutorial
16

Step 2: Define a JPA Entity Class

.Serializable; import java.sql.Date; import javax.persistence.Entity; import javax.persistence ... @GeneratedValue Long id; private String name; private Date signingDate ... ; this.signingDate = new Date(System.currentTimeMillis()); } // String Representation
Tutorial
16

Step 2: Entity Class and Persistence Unit

.Date; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax ... ; private String name; private Date signingDate; // Constructors: public Guest() { } public Guest(String name) { this.name = name; this.signingDate = new Date
Tutorial
16

Step 2: Entity Class and Persistence Unit

; import java.sql.Date; import javax.persistence.Entity; import javax.persistence.GeneratedValue ... Long id; private String name; private Date signingDate; // Constructors: public ... ; this.signingDate = new Date(System.currentTimeMillis()); } // String Representation: @Override
Manual
13

GROUP BY and HAVING clauses

of comparable values (numeric, strings, dates). MAX - returns the maximum of comparable values (numeric, strings, dates). The following query counts for every letter the number of countries
Manual
13

Paths and Types in JPQL and Criteria API

, string, date). Simple type values are more useful in queries. They have special operators ... (number, boolean, string, date). For a path expression to be valid the user defined persistable class
Manual
13

Comparison in JPQL and Criteria API

follow the logic of Java's equals, comparing the content rather than the identity. Date values can be compared by using any comparison operator. Equality operators (=, <>, ==, !=) on date values in