PROCESSING


 MATHEMATICAL ACTIONS

  +     addition
  +=     shortened addition
       subtraction
  −=     shortened subtraction
  *     multiplication
  *=     shortened multiplication
  /     division
  /=     shortened division
  %     rest of the integer division
  ++     inkrement
  −−     dekrement


 DATA TYPES

  int     - integer number
  float     - float number
  byte     - one-byte number
  boolean     - logical variable (true/false)
  color     - variable to store color values
  char     - charakter variable (the value is given in apostrophes)
  string     -string varaiable (the value is given in quotation marks


 ARRAYS

   one-dimensional:   int[] nazwa = new int[60];
  // first element = tab[0],
  // last element = tab[59]!
   two-dimensional:   float[][] name = new float[100][100];