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5

Server User List

in a comma separated list and using a hyphen (-) to indicate a range. For example, a value "192.18
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java.lang.Throwable

to throw the cause directly. For example, suppose a persistent collection conforms to the Collection ... . For example: try { lowLevelOp(); } catch (LowLevelException le) { throw ... " whose implementation predates the addition of the exception chaining mechanism to Throwable. For example: try
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javax.persistence.MapKeyClass

is specified and vice versa. Example 1: @Entity public class Item { @Id int id ... ; // map from image name to image filename ... } Example 2: // MapKeyClass ... ; ... @ElementCollection Map images; ... } Example 3
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java.lang.Exception

for exceptions that are little more than wrappers for other throwables (for example, java.security ... example may be regarded as typical: java.lang.NullPointerException at MyClass.mash(MyClass.java:9) at MyClass.crunch(MyClass.java:6) at MyClass.main(MyClass.java:3) This example
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printStackTrace()

, but the following example may be regarded as typical: java.lang.NullPointerException at MyClass.mash ... ) This example was produced by running the program: class MyClass { public static void main(String ... . The format of this information depends on the implementation, but the following example may be regarded
0

[ODB1] Chapter 1 - About ObjectDB

(for example, as a result of special customer needs or requests) can be done without modifying code. The JDO
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Constants.PROPERTY_PREFIX_INSTANCE_LIFECYCLE_LISTENER

that instances of all persistence-capable classes are to be observed. For example, javax.jdo.option.InstanceLifecycleListener.com.example.MyListener=com.example.Foo,com.example.Bar is equivalent to calling pmf.addInstanceLifecycleListener(new com.example.MyListener(), new Class[] {com.example.Foo.class
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javax.jdo.Constants

classes are to be observed. For example, javax.jdo.option.InstanceLifecycleListener.com.example.MyListener=com.example.Foo,com.example.Bar is equivalent to calling pmf.addInstanceLifecycleListener(new com.example.MyListener(), new Class[] {com.example.Foo.class, com.example.Bar.class}); where pmf
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printStackTrace()

, but the following example may be regarded as typical: java.lang.NullPointerException at MyClass.mash ... ) This example was produced by running the program: class MyClass { public static void main(String ... . The format of this information depends on the implementation, but the following example may be regarded
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printStackTrace()

, but the following example may be regarded as typical: java.lang.NullPointerException at MyClass.mash ... ) This example was produced by running the program: class MyClass { public static void main(String ... . The format of this information depends on the implementation, but the following example may be regarded

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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