import java.security.AlgorithmParameterGenerator;
import java.security.AlgorithmParameters;
import javax.crypto.spec.DHParameterSpec;
public class Main {
public static void main(String[] argv) throws Exception {
AlgorithmParameterGenerator paramGen = AlgorithmParameterGenerator.getInstance("DH");
paramGen.init(1024);
AlgorithmParameters params = paramGen.generateParameters();
DHParameterSpec dhSpec = (DHParameterSpec) params.getParameterSpec(DHParameterSpec.class);
System.out.println("" + dhSpec.getP() + "," + dhSpec.getG() + "," + dhSpec.getL());
}
}