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A collection framework is a class library to handle groups of objects. Collection framework is implemented in  java.util  package. Collections are  grow able  in nature and hence based on our requirement we can increase or decrease the size . § It simply stores reference of other objects into a collection of object. § Java 1.2 introduced the Collections Framework § Collections are defined in  java.util § The Collections framework is mostly about  interfaces § There are a number of predefined implementations next

Introduction: PV and genset systems do not have much in common. It is precisely for this reason that they can be mated to form a hybrid system that goes far in overcoming the drawbacks to each technology. Table 10.1 lists the respective advantages and disadvantages. As the sun is a variable energy source, PV system designs are increased in size (and therefore cost) to allow for a degree of system autonomy. Autonomy is required to allow for provision of reliable power during "worst case" situations, which are usually periods of adverse weather, seasonally low solar insulation values or an unpredicted increased demand for power. The addition of autonomy to the system is accomplished by increasing the size of the PV array and its requisite energy storage system (the battery). When a genset is added, additional battery charging and direct AC load supply capabilities are provided. The need to build in system autonomy is therefore greatly reduced. When energy demands cannot b

INTRODUCTION: Milestone model LD-15U is a RS232,  to RS422/RS485 converter is designed for high-speed data transmission between computer system and or peripherals over Iong distance under high noise conditions. They provide dual line interface per signal. APPLICATIONS: Application for these converters can be for factory automation, Programmable logic controllers,, attendance recording systems, Barcode Readers, remote data transmission, remote terminals, EPABX etc. SPECIFICATIONS: Input: RS232-T×D, R×D, DSR (for control), GND (D9 Female connector) Output: RS422/RS485-Tx+, Tx-, Rx+. Rx-(D9 Male Connector). Each signal is protected by spike suppressor, fuse and has opto-isolation. Selection Switch: 1. Rear side has 2-way'SELECT' switch for selecting 2-Wire or 4-Wire mode in RS422/RS485 application. 2. (Optional) Rear side has 3-way'SELECT' switch for selecting AUTO Mode (No Handshake Signal), DSR+ Mode (+12V Control) and DSR-Model (-_12V Control) for co

GUIDELINES TO PREPARE TO PROJECTS DOCUMENTATION:- Font       :                1. Chapter Names            -                16  TimesNewRoman (bold) all caps                                 2. Headings                        -              14  TimesNewRoman  (bold) all caps                                 3. Subheadings                 -               14  TimesNewRoman  (bold) Title case                                 4. Sub – sub headings    -                 12  TimesNewRoman  (bold) Title case                                 5. Body of Project            -               12  TimesNewRoman                                 6. Text in Diagrams         -               12 TimesNewRoman  (all lower case)                                 7. Diagrams / Table headings / Fig. Headings      -                                                                                                                                          12’  TimesNewRoman  Title case