Creating NumPy matrices/arrays from Java

Main.java

public class Main {                                                    
        public static void main(String []args) throws Exception {      
                pushy.Client client = new pushy.Client("local:", null);
                try {                                                  
                        NumpyModule m = new NumpyModule(client);       
                        System.out.println(m.array(m.mat("1 2; 3 4")));
                } finally {                                            
                    client.close();                                    
                }                                                      
        }                                                              
}                                                                      
                                                                       
class NumpyModule extends pushy.Module {                               
        private final pushy.Client client;                             
        private final pushy.PushyObject arrayMethod;                   
        private final pushy.PushyObject matMethod;                     
                                                                       
        public NumpyModule(pushy.Client client) {                      
                super(client, "numpy");                                
                this.client = client;                                  
                arrayMethod = __getmethod__("array");                  
                matMethod = __getmethod__("mat");                      
        }                                                              
                                                                       
        public Object mat(String s) {                                  
                return matMethod.__call__(new Object[]{s});            
        }                                                              
                                                                       
        public Object array(Object arg) {                              
                return arrayMethod.__call__(new Object[]{arg});        
        }                                                              
}