The following tables summarize the semantic similarities between Java and VjO.
Semantic
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Java
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VJET VJO
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Declare a Namespace
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package vjo.x.y
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vjo.ctype("vjo.x.y.Z") // where Z is the name of a class.
|
Import a Class
|
import vjo.utils.X
|
|
Type Definitions and Manipulation
Semantic
|
Java
|
VJET VJO
|
Define a Class
|
|
vjo.ctype("<namespace>.X")
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Define an Interface
|
|
vjo.itype("<namespace>.Y")
|
Define an Enum
|
|
vjo.etype("<namespace>.E")
|
Define an Abstract Class
|
|
//> abstract
vjo.ctype("<namespace>.Z")
|
Define an Inner Class
|
|
|
Modify a Type
|
|
//> final
vjo.ctype("vjo.R")
|
Define a Constructor
|
|
|
Overload a Constructor
|
D(int arg){}
D(String arg){}
|
//>public void constructs(int arg)
//>public void constructs(String arg)
constructs:function(arg){}
|
Call a Super Constructor
|
|
|
Call a Super Constructor with Arguments
|
|
|
Call a Super Method
|
|
|
Extend a Class
|
|
vjo.ctype("<namespace>.X")
.inherits("<namespace>.Y")
|
Implement an Interface
|
|
vjo.ctype("<namespace>.X")
.satisfies("<namespace>.Y")
|
Implement an Instance Method
|
void setName(String name)
|
.protos({
setName: function(String name)
|
Implement a Static Method
|
static void setName(String name)
|
.props({
setName: function(String name)
})
|
Implement a Static Initializer
|
{// static initialization here
static{...}
|
// static initialization here
.inits(function(){...})
|
test
Declarations
To Declare
|
Java
|
VJET VJO
|
Enum Constants
|
public enum Days {
MON,TUE,WED,THU,FRI,SAT,SUN
}
|
vjo.etype('<namespace>.Days')
.values('MON,TUE,WED,THU,FRI,SAT,SUN')
|
Argument Types
|
void setName(String name){}
|
//> void setName(String name)
setName : function(name){}
|
Method Scope
|
public void setName(String name){}
|
//>public void setName(String name)
setName : function(name){}
|
Return Type
|
|
//> public X getIt()
getIt : function(){}
|
Overloaded Method
|
public X getIt(String x)
public X getIt(int x)
|
//>public X getIt(String x)
//>public X getIt(int x)
getIt:function(x) {}
|
Method with Variable Arguments
|
public X getIt(String... x)
|
//>public X getIt(String... x)
getIt:function(x) {}
|
Local Variable
|
int x = 10;
String s = "hello";
final boolean ok = false;
|
var x = 10; //< int
var s = 'hello'; //< String
var ok = false; //< final boolean
|