View source for VJET/Semantic Comparison - Java and vjojs

The following tables summarize the semantic similarities between Java and VjO.

{| style="background-color:#F9F9F9;border:1px solid #AAAAAA;border-collapse:collapse;color:black; margin:1em 0;"
|- 
! style="background-color:#F2F2F2;text-align:center;border:1px solid #AAAAAA;padding:0.2em;" | Semantic
! style="background-color:#F2F2F2;text-align:center;border:1px solid #AAAAAA;padding:0.2em;" | Java 
! style="background-color:#F2F2F2;text-align:center;border:1px solid #AAAAAA;padding:0.2em;" | VJET VJO 
|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Declare a Namespace 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | package vjo.x.y
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
vjo.ctype("vjo.x.y.Z") // where Z is the name of a class.
</source>
 
|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Import a Class 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | import vjo.utils.X  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
.needs("vjo.utils.X")
</source> 
|}

=== Type Definitions and Manipulation ===

{| style="background-color:#F9F9F9;border:1px solid #AAAAAA;border-collapse:collapse;color:black; margin:1em 0;"
|- 
! style="background-color:#F2F2F2;text-align:center;border:1px solid #AAAAAA;padding:0.2em;" | Semantic
! style="background-color:#F2F2F2;text-align:center;border:1px solid #AAAAAA;padding:0.2em;" | Java 
! style="background-color:#F2F2F2;text-align:center;border:1px solid #AAAAAA;padding:0.2em;" | VJET VJO 
|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Define a Class 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">class X{}</source>
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
vjo.ctype("<namespace>.X")
</source>
 
|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Define an Interface 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">interface Y{}</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
vjo.itype("<namespace>.Y")
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Define an Enum 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">enum E{}</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
vjo.etype("<namespace>.E")
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Define an Abstract Class 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">abstract class Z{}</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
//> abstract
vjo.ctype("<namespace>.Z")
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Define an Inner Class 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">class X{}</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
X : vjo.ctype()
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Modify a Type   
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">final class R{};</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
//> final
vjo.ctype("vjo.R")
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Define a Constructor     
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">D(){}</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
constructs: function(){}
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Overload a Constructor     
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">D(int arg){}
D(String arg){}</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
//>public void constructs(int arg)
//>public void constructs(String arg)
constructs:function(arg){}
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Call a Super Constructor      
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">super()</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
this.base()
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Call a Super Constructor with Arguments      
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">super(arg)</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
this.base(arg)
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Call a Super Method      
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">super.doIt()</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
this.base.doIt()
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Extend a Class       
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">class X extends Y</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
vjo.ctype("<namespace>.X")
.inherits("<namespace>.Y")
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Implement an Interface        
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">class X implements Y</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
vjo.ctype("<namespace>.X")
.satisfies("<namespace>.Y")
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Implement an Instance Method         
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">void setName(String name)</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
.protos({
setName: function(String name)
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Implement a Static Method         
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">static void setName(String name)</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
.props({
setName: function(String name)
})
</source> 

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Implement a Static Initializer           
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">{// static initialization here
static{...}</source>  
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
// static initialization here
.inits(function(){...})
</source> 

|}



==== Declarations ====

{| style="background-color:#F9F9F9;border:1px solid #AAAAAA;border-collapse:collapse;color:black; margin:1em 0;"
|- 
! style="background-color:#F2F2F2;text-align:center;border:1px solid #AAAAAA;padding:0.2em;" | To Declare
! style="background-color:#F2F2F2;text-align:center;border:1px solid #AAAAAA;padding:0.2em;" | Java 
! style="background-color:#F2F2F2;text-align:center;border:1px solid #AAAAAA;padding:0.2em;" | VJET VJO 
|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" | Enum Constants 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
public enum Days {
MON,TUE,WED,THU,FRI,SAT,SUN
}
</source>
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
vjo.etype('<namespace>.Days')
.values('MON,TUE,WED,THU,FRI,SAT,SUN')
</source>
 
|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" |  Argument Types 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
void setName(String name){}
</source>
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
//> void setName(String name)
setName : function(name){}
</source>

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" |   Method Scope 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
public void setName(String name){}
</source>
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
//>public void setName(String name)
setName : function(name){}
</source>

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" |   Return Type 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
public X getIt(){}
</source>
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
//> public X getIt()
getIt : function(){}
</source>

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" |    Overloaded Method 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
public X getIt(String x)
public X getIt(int x)
</source>
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
//>public X getIt(String x)
//>public X getIt(int x)
getIt:function(x) {}
</source>

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" |   Method with Variable Arguments 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
public X getIt(String... x)
</source>
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
//>public X getIt(String... x)
getIt:function(x) {}
</source>

|-
| style="border:1px solid #AAAAAA;padding: 0.2em;" |   Local Variable 
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
int x = 10;
String s = "hello";
final boolean ok = false;
</source>
| style="border:1px solid #AAAAAA;padding: 0.2em;" | <source lang="javascript">
var x = 10; //< int
var s = 'hello'; //< String
var ok = false; //< final boolean
</source>

|}


[[Category:VJET|VJOJS]]
[[Category:JavaScript]]