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Calls a method on an object.

Component Version macOS Windows Linux Server iOS SDK
Java 6.5 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ❌ No
MBS( "Java.CallObjectMethod"; JObject; MethodName; Signature { ; Params... } )   More


Parameter Description Example Flags
JObject The java object reference number. $j
MethodName The name of the method. "test"
Signature The java signature of the method.
This describes the parameter types.
Please use "javap -s test.class" with file path to class file to show the signatures for a class.
Params... The parameters to pass.
Pass one parameter in FileMaker for each parameter to pass.


Returns value or error.


Calls a method on an object.
Parameters and return type is detected by plugin automatically from signature.
Please call later Java.Release to release an object if this function returns one.

Java is only available if you call Java.Initialize before to load the java runtime.
Supported data types include: void, int, long, boolean, string, double, float, char, byte, object, byte array (for container), char array (using FileMaker text).

For PDF content: If you have a DynaPDF Pro license and DynaPDF functions initialized, this function can add previews for the PDF file on Windows and Linux. For MacOS, we make them with PDFKit.

This function takes variable number of parameters. Pass as much parameters as needed separated by the semicolon in FileMaker.
Please repeat Params parameter as often as you need.


Init a class and a call a merthod:

Set Variable [$j; Value:MBS( "Java.NewClassObject"; "test"; "<init>"; "()V")]
Set Variable [$r; Value:MBS( "Java.CallObjectMethod"; $j; "getValue"; "()I" )]
Show Custom Dialog ["value"; $r]
Set Variable [$r; Value:MBS( "Java.Release"; $j)]

Call method passing parameter and another to query:

Set Variable [$j; Value:MBS( "Java.NewClassObject"; "test"; "<init>"; "()V")]
Set Variable [$r; Value:MBS( "Java.CallObjectMethod"; $j; "setValue"; "(I)V"; 1234 )]
Set Variable [$r; Value:MBS( "Java.CallObjectMethod"; $j; "getValue"; "()I")]
Show Custom Dialog ["value"; $r]
Set Variable [$r; Value:MBS( "Java.Release"; $j)]

Call a void method

// public void DoSomething()
Set Variable [$r; Value:MBS( "Java.CallObjectMethod"; $j; "DoSomething"; "()V" )]

See also

Example Databases

This function checks for a license.

Created 2nd October 2016, last changed 9th November 2021

JSON.Unflatten - Java.CallStaticMethod