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J2ME Programming/Esmertec Jbed
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Esmertec Jbed
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Introduction
Esmertec's Jbed JVM technology is implemented on multiple areas within the J2ME Platform ecological system.
CLDC
See on CPUs such as ARM, Intel StrongArm, Intel XScale, TI OMAP, and C166 and on OSes such as Nucleus, AMX, Linux, REX, RTK, OSE, and RTXC.
MIDP
Jbed 3
MIDP 1.0
CLDC 1.0
Jbed 4(Jcap)
MIDP 2.0
CLDC 1.0
JTWI support
Jbed Advance
MIDP 2.0
CLDC 1.1
JTWI support
3D Graphics JSR
PIM JSR 75
IMP
CLDC 1.0 or CLDC 1.1
IMP 1.0
WMA
CDC
Seen on CPUs such as ARM, MIPS, SH3, SH4, PowerPC, and x86 and on OSes such as winCE, PocketPC, Linux, Qtopia, Unix, and VxWorks.
CDC 1.0
Personal Profile 1.0
Personal Basis Profile 1.0
Foundation Profile 1.0
RMI Optional Package 1.0
JDBC Optional Package 1.0
Deployed Devices
LGE
LGE G7100
User Agent declares it is MIDP 2.0; however it rejects MIDP2 Jad files
By using Class.forName some MIDP2 classes can be seen to be present
MIDP 2
Pre-compiles Jars when they have been downloaded, so they are not stored in standard bytecode on the device
This process can fail
LG C1200
LG C1500
LG F2100
LG F9100
Sendo
Sendo M570 MIDP2
Siemens
Siemens CL75 MIDP2
Siemens ST60 MIDP1
Philips
Philips Fisio 535 MIDP2
Conclusion
Esmertec Jbed lacks some fundamentals in the date implementation on HTC mobiles. Thus makes the implementation useless for most business applications. If this is due to bad hardware or Esmertec Jbed is still unknown.
See Also
Wikibooks
Java Programming
References
JbedIMP Jbed IMP http://www.esmertec.ch/company/downloads/JbedIMP.pdf
JbedCDC Jbed CDC http://www.esmertec.ch/company/downloads/Jbed_CDC.pdf
JbedCLDC Jbed CLDC http://www.esmertec.ch/company/downloads/Jbed_CLDC.pdf
JbedAdvance Jbed Advance http://www.esmertec.ch/company/downloads/Jbed_Advanced.pdf
PR LGE LG Electronics selects Esmertec’s Java solutions for its mobile phones http://www.esmertec.ch/press/2004/040216_pressrelease_LGE.pdf
PR Sendo Sendo has chosen Esmertec’s Java solution for its mobile phones http://www.esmertec.ch/press/2004/041123_pressrelease_Sendo_E.pdf
Trademark Notices
J2ME, Java and all Java-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries.