Type Coercion"
From Documentation
m (Created page with '{{ZUMLReferencePageHeader}} EL expressions will coerce the type automatically. Here is the summary of the coercion rules. {| border='1px' | width="100%" ! !! Boolean !! Charac…') |
m |
||
| Line 28: | Line 28: | ||
| obj.charAt(0) | | obj.charAt(0) | ||
| Number<ref>The real class is determined at run time, such as Integer and Float.</ref>.valueOf(x) | | Number<ref>The real class is determined at run time, such as Integer and Float.</ref>.valueOf(x) | ||
| − | | | + | | obj |
|- | |- | ||
| String (empty) | | String (empty) | ||
Revision as of 02:39, 8 December 2010
EL expressions will coerce the type automatically. Here is the summary of the coercion rules.
| Boolean | Character | Number | String | |
|---|---|---|---|---|
| Boolean | obj[1] | ERROR | ERROR | obj.toString() |
| Character | ERROR | obj | (short)obj | obj.toString() |
| Number | obj | ERROR | (char)obj | obj.toString() |
| String (not empty) | Boolean.valueOf(obj) | obj.charAt(0) | Number[2].valueOf(x) | obj |
| String (empty) | false | (char)0 | 0 | obj |
| null | false | (char)0 | 0 | "" |
| Other | ERROR | ERROR | ERROR | obj.toString() |
Version History
| Version | Date | Content |
|---|---|---|