Fast Object Database for Java - with JPA/JDO support

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24

printStackTrace()

Method java.lang.Throwable void printStackTrace() Prints this throwable and its backtrace ... , but the following 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
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printStackTrace()

Method java.lang.Throwable void printStackTrace() Prints this throwable and its backtrace ... , but the following 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
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printStackTrace()

Method java.lang.Throwable void printStackTrace() Prints this throwable and its backtrace ... , but the following 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
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printStackTrace()

Method java.lang.Throwable void printStackTrace() Prints this throwable and its backtrace ... , but the following 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
24

printStackTrace()

Method java.lang.Throwable void printStackTrace() Prints this throwable and its backtrace ... , but the following 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
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Which API should I use - JPA or JDO?

You can use ObjectDB with either the Java Persistence API (JPA) or the Java Data Objects (JDO) API. Both share similar architecture, design and abilities. When to prefer JPA JPA is more commonly used ... and it is probably the most popular Java API for object databases today.
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fillInStackTrace()

Method java.lang.Throwable Throwable fillInStackTrace() Fills in the execution stack trace. This method records within this Throwable object information about the current state of the stack frames for the current thread. Returns: a reference to this Throwable instance. Since: Java JDK1.0 See Also: java.lang.Throwable.printStackTrace()
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Throwable(cause)

Constructor java.lang.Throwable Throwable( Throwable cause ) Constructs a new throwable ... that are little more than wrappers for other throwables (for example, java.security.PrivilegedActionException ... ). (A null value is permitted, and indicates that the cause is nonexistent or unknown.) Since: Java 1.4
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Exception(cause)

Constructor java.lang.Exception Exception( Throwable cause ) Constructs a new exception ... that are little more than wrappers for other throwables (for example, java.security.PrivilegedActionException ... value is permitted, and indicates that the cause is nonexistent or unknown.) Since: Java 1.4
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printStackTrace(s)

Method java.lang.Throwable void printStackTrace( PrintWriter s ) Prints this throwable and its backtrace to the specified print writer. Parameters: s - PrintWriter to use for output Since: Java JDK1.1

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support