Contents

• A Perl Program
• Programming Elements
• Variables
  • Scalar Variables
  • Arrays
  • Hashes
  • Random values
  • Declaring variables
  
  
• Loops
  • Simple for () {}
  • General for ( ) { }
  • while () {}
  
  
• Conditionals
  • Comparisons
  • if() { } and unless(){ }
  • if/else and ternary operators
  • if/elsif/else and switch statemements
  • Multiple conditions
  • Defined and existence
  
  
• Input/Output
  • Standard Input/Output/Error
  • Command line arguments
  • File Handles
  
  
• References and Complex Data Structures
  • References
  • Complex data structures
  
  
• Subroutines, functions, and modules
  • Defining subroutines
  • Passing in variables
  • Returning variables
  • Passing in and returning arrays and hashes
  • References to subroutines
  • Modules
  
  
• CGI scripts
  • HTTP protocol
  • HTML
  • Form processing
  
  
• Objects Oriented Programming
  • A simple example
  • Further examples
  • Inheritance
  
  
• A C Program
• Programming Elements
• Variables
  • Scalar Variables
  • Arrays
  
  
• Loops
  • Simple for () {}
  • while () {}
  
  
• Conditionals
  • if() { }
  • if/else and ternary operators
  
  
• Input/Output
  • Standard Input/Output/Error
  • Command line arguments
  • File Handles
  
  
• Subroutines, functions, and libraries
  • Defining subroutines
  • Header files
  • Libraries
  • Makefiles
  
  
• Pointers
  • What is a pointer?
  • Pointers and subroutines
  • Arrays
  • Allocation
  • Subroutine return types
  • Function pointers
  • Void pointers
  
  
• Structures
  • Defining structures
  • Pointers to structures
  • Structures and subroutines
  
  
• C++
  • A C++ program
  • Classes
  • Constructors
  • Inheritance
  
  
• Java
  • A simple program
  • Classes
  • Constructors
  • Inheritance
  
  
• Index