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Course Overview This course helps delegates understand the concepts of control language and learn how to write a variety of programs. Audience This course is for new users of iSeries 400 computers Prerequisites Delegates will ideally have experience on other IBM systems, together with a basic understanding of the iSeries system.. Course Outline - ISeries 400 Functions and Object Types
- Object Types
- IBM Supplied Libraries
- User Libraries
- Command Overview
- Control Language Syntax
- Command Format
- Command Syntax
- Character Set
- Special Characters
- Predefined Values
- Rules for Names
- Parameter Values
- Interpreting Syntax Diagrams
- Expressions
- Operators
- Priority of Operators
- Arithmetic Expression
- Characters String Expressions
- Relational Expressions
- Logical Expressions
- Built-in Expressions
- Object Authority and System Security
- Programming Commands and Facilities
- Source Entry Utility (SEU)
- File and Data Area Concepts
- Control Language Programme Structure
- Control Language Programme Parameters and Variables
- Conditional Statements (IF,THEN,ELSE, DO)
- Built-in Functions (%SST,%SWITCH)
- Retrieving job and data area contents
- Changing values in programme variables
- Concatenating variables
- Calling other programmes
- Monitoring for command execution errors
- Sending messages (various message types)
- Retrieving responses to messages
- Creating and deleting objects
- Managing files and file members
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