Hi,
I am trying to integrate my Java program with R using rJava package. I want
to execute the whole Java program from R. The main() method in my Java code
calls all the other defined methods. So, I guess I have to call the main()
method in .jcall.
An example Java code:
*class A {
public static int mySum(int x, int y) {
return x+y;
}
public static void main (String[] arg) {
System.out.println("The sum is " + mySum(2, 4));
}
}*
I can do the following to call the mySum() method:
*.jcall(obj, "I", "mySum", as.integer(2), as.integer(4))*
This will give the output *6*.
But can some one explain me that how exactly I can execute this program to
print *The sum is 6* from R? OR how can I call the main method?
I am a beginner in R.
Thanks,
Gaurav
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