[commons-rng] 04/05: Fix PMD errors in quadrature examples code.

[ah...@apache.org]

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aherbert pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-rng.git

commit edc6e3587c7a114249e7df76c63be119bc87f179
Author: aherbert <ah...@apache.org>
AuthorDate: Fri Sep 27 14:21:30 2019 +0100

    Fix PMD errors in quadrature examples code.
---
 .../java/org/apache/commons/rng/examples/quadrature/ComputePi.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/commons-rng-examples/examples-quadrature/src/main/java/org/apache/commons/rng/examples/quadrature/ComputePi.java b/commons-rng-examples/examples-quadrature/src/main/java/org/apache/commons/rng/examples/quadrature/ComputePi.java
index 5f500fb..f5e0c19 100644
--- a/commons-rng-examples/examples-quadrature/src/main/java/org/apache/commons/rng/examples/quadrature/ComputePi.java
+++ b/commons-rng-examples/examples-quadrature/src/main/java/org/apache/commons/rng/examples/quadrature/ComputePi.java
@@ -33,6 +33,8 @@ import org.apache.commons.rng.simple.RandomSource;
  * we will have \( \frac{N_c}{N} \approx \frac{\pi}{4} \).
  */
 public class ComputePi extends MonteCarloIntegration {
+    /** Expected number of arguments. */
+    private static final int EXPECTED_ARGUMENTS = 2;
     /** Domain dimension. */
     private static final int DIMENSION = 2;
 
@@ -58,7 +60,7 @@ public class ComputePi extends MonteCarloIntegration {
      * </ol>
      */
     public static void main(String[] args) {
-        if (args.length != 2) {
+        if (args.length != EXPECTED_ARGUMENTS) {
             throw new IllegalStateException("Missing arguments");
         }