About Connected Limited Device Configuration 1.0 and 1.1

Chapter 2 - CLDC 1.0 and 1.1

    About Connected Limited Device Configuration 1.0 and 1.1

  • Connected Limited Device Configuration (CLDC); JSR 139

              The Connected Limited Device Configuration (CLDC) defines the base set of application programming interfaces and a virtual machine for resource-constrained devices like mobile phones, pagers, and mainstream personal digital assistants.

              When Mobile Information Device Profile (MIDP), it provides a solid Java platform for developing applications to run on devices with limited memory, processing power, and graphical capabilities.

    Overview

              The Connected Limited Device Configuration (CLDC) defines the base set of application programming interfaces and a virtual machine for resource-constrained devices like mobile phones in Java ME.

              CLDC usually exists MIDP 1.0 or MIDP 2.0. It was developed under the Java Community Process as JSR 30 (CLDC 1.0) and JSR 139 (CLDC 1.1). The Virtual Machine installed on the phone for this configuration usually has 100-160Kb.

    Limitations:

              CLDC 1.0 did not support any form of floating point arithmetic such as float or double Java types.

                   •  java.io

                   •  java.lang

                   •  java.util

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