creation des permiere class

data/test.log

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+/*C1*/SET SCHEMA SYSTEM_LOBS
+INSERT INTO BLOCKS VALUES(0,2147483647,0)
+COMMIT

data/test.properties

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+#HSQL Database Engine 2.7.2
+#Wed Sep 17 12:17:40 CEST 2025
+modified=yes
+tx_timestamp=1
+version=2.7.2

data/test.script

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+SET DATABASE UNIQUE NAME HSQLDB99572E0E4E
+SET DATABASE DEFAULT RESULT MEMORY ROWS 0
+SET DATABASE EVENT LOG LEVEL 0
+SET DATABASE TRANSACTION CONTROL LOCKS
+SET DATABASE DEFAULT ISOLATION LEVEL READ COMMITTED
+SET DATABASE TRANSACTION ROLLBACK ON CONFLICT TRUE
+SET DATABASE TEXT TABLE DEFAULTS ''
+SET DATABASE SQL NAMES FALSE
+SET DATABASE SQL RESTRICT EXEC FALSE
+SET DATABASE SQL REFERENCES FALSE
+SET DATABASE SQL SIZE TRUE
+SET DATABASE SQL TYPES FALSE
+SET DATABASE SQL TDC DELETE TRUE
+SET DATABASE SQL TDC UPDATE TRUE
+SET DATABASE SQL SYS INDEX NAMES TRUE
+SET DATABASE SQL CONCAT NULLS TRUE
+SET DATABASE SQL UNIQUE NULLS TRUE
+SET DATABASE SQL CONVERT TRUNCATE TRUE
+SET DATABASE SQL AVG SCALE 0
+SET DATABASE SQL DOUBLE NAN TRUE
+SET FILES WRITE DELAY 500 MILLIS
+SET FILES BACKUP INCREMENT TRUE
+SET FILES CACHE SIZE 10000
+SET FILES CACHE ROWS 50000
+SET FILES SCALE 32
+SET FILES LOB SCALE 32
+SET FILES DEFRAG 0
+SET FILES NIO TRUE
+SET FILES NIO SIZE 256
+SET FILES LOG TRUE
+SET FILES LOG SIZE 50
+SET FILES CHECK 1
+SET DATABASE COLLATION SQL_TEXT PAD SPACE
+CREATE USER SA PASSWORD DIGEST 'd41d8cd98f00b204e9800998ecf8427e'
+ALTER USER SA SET LOCAL TRUE
+CREATE SCHEMA PUBLIC AUTHORIZATION DBA
+ALTER SEQUENCE SYSTEM_LOBS.LOB_ID RESTART WITH 1
+SET DATABASE DEFAULT INITIAL SCHEMA PUBLIC
+GRANT USAGE ON DOMAIN INFORMATION_SCHEMA.CARDINAL_NUMBER TO PUBLIC
+GRANT USAGE ON DOMAIN INFORMATION_SCHEMA.YES_OR_NO TO PUBLIC
+GRANT USAGE ON DOMAIN INFORMATION_SCHEMA.CHARACTER_DATA TO PUBLIC
+GRANT USAGE ON DOMAIN INFORMATION_SCHEMA.SQL_IDENTIFIER TO PUBLIC
+GRANT USAGE ON DOMAIN INFORMATION_SCHEMA.TIME_STAMP TO PUBLIC
+GRANT DBA TO SA

src/main/java/jpa/metier/Question.java

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+package jpa.metier;
+
+public class Question {
+
+
+
+}

src/main/java/jpa/metier/Reponse.java

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+package jpa.metier;
+
+public abstract class Reponse {
+
+    String value;
+
+
+}

target/classes/META-INF/persistence.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<persistence xmlns="https://jakarta.ee/xml/ns/persistence"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="https://jakarta.ee/xml/ns/persistence https://jakarta.ee/xml/ns/persistence/persistence_3_0.xsd"
+	version="3.0">
+
+	<persistence-unit name="dev" transaction-type="RESOURCE_LOCAL">
+		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+		<properties>
+			<property name="jakarta.persistence.jdbc.driver"
+				value="org.hsqldb.jdbcDriver" />
+			<property name="jakarta.persistence.jdbc.url"
+				value="jdbc:hsqldb:hsql://localhost/" />
+			<property name="jakarta.persistence.jdbc.user" value="sa" />
+			<property name="jakarta.persistence.jdbc.password" value="" />
+			<property
+				name="jakarta.persistence.schema-generation.database.action"
+				value="create" />
+			<property name="jakarta.persistence.dialect"
+				value="org.hibernate.dialect.HSQLDialect" />
+			<property name="hibernate.show_sql" value="true" />
+		</properties>
+	</persistence-unit>
+	<persistence-unit name="prod" transaction-type="RESOURCE_LOCAL">
+		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+		<properties>
+			<property name="jakarta.persistence.jdbc.driver"
+				value="org.hsqldb.jdbcDriver" />
+			<property name="jakarta.persistence.jdbc.url"
+				value="jdbc:hsqldb:hsql://localhost/" />
+			<property name="jakarta.persistence.jdbc.user" value="sa" />
+			<property name="jakarta.persistence.jdbc.password" value="" />
+			<property
+				name="jakarta.persistence.schema-generation.database.action"
+				value="update" />
+			<property name="jakarta.persistence.dialect"
+				value="org.hibernate.dialect.HSQLDialect" />
+			<property name="hibernate.show_sql" value="true" />
+
+		</properties>
+	</persistence-unit>
+
+	<persistence-unit name="mysql">
+		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+ 
+		<properties>
+			<property name="jakarta.persistence.jdbc.driver"
+				value="com.mysql.cj.jdbc.Driver" />
+			<property name="jakarta.persistence.jdbc.url"
+				value="jdbc:mysql://localhost/mydatabase" />
+			<property name="jakarta.persistence.jdbc.user" value="tlc" />
+			<property name="jakarta.persistence.jdbc.password" value="tlc" />
+			<property
+				name="jakarta.persistence.schema-generation.database.action"
+				value="update" />
+			<property name="jakarta.persistence.dialect"
+				value="org.hibernate.dialect.MySQL8Dialect" />
+			<property name="hibernate.show_sql" value="true" />
+			<property name="hibernate.c3p0.min_size" value="5" />
+			<property name="hibernate.c3p0.max_size" value="20" />
+			<property name="hibernate.c3p0.timeout" value="300" />
+			<property name="hibernate.c3p0.max_statements" value="50" />
+			<property name="hibernate.c3p0.idle_test_period" value="3000" />
+		</properties>
+	</persistence-unit>
+
+</persistence>

target/classes/log4j.properties

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+----------------------------------------------log4j.properties
+
+### direct log messages to stdout
+###
+log4j.rootLogger=INFO, stdout
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.Target=System.out
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
+
+# Log everything. Good for troubleshooting
+log4j.logger.org.hibernate=ERROR
+
+# Log all JDBC parameters
+log4j.logger.org.hibernate.type=ERROR