java: final fields that can be static

found by PMD

Change-Id: I2b48f35d252d6e914c2a18a2c175b075a9d3ac0f
Reviewed-on: https://gerrit.libreoffice.org/13099
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

4 files changed, 10 insertions, 10 deletions

diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java
index c40f2c1ec258..b6387bfb8a96 100644
--- a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java
+++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java
@@ -35,7 +35,7 @@ import net.adaptivebox.problem.*;
 import net.adaptivebox.space.*;
 
 public class DEGTBehavior extends AbsGTBehavior implements ILibEngine {
-  private final int DVNum = 2;  //Number of differential vectors, normally be 1 or 2
+  private static final int DVNum = 2;  //Number of differential vectors, normally be 1 or 2
   public double FACTOR = 0.5; //scale constant: (0, 1.2], normally be 0.5
   public double CR = 0.9;     //crossover constant: [0, 1], normally be 0.1 or 0.9
 
diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalElement.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalElement.java
index 1ad1adefd08c..823479de556a 100644
--- a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalElement.java
+++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalElement.java
@@ -25,7 +25,7 @@ import net.adaptivebox.global.*;
 public class EvalElement {
 
   //The weight for each response (target)
-  private final double weight = 1;
+  private static final double weight = 1;
   /**
    * The expected range of the response value, forms the following objective:
    *
diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/goodness/ACRComparator.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/goodness/ACRComparator.java
index 2d9f55fc2ac4..6b4fd614330c 100644
--- a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/goodness/ACRComparator.java
+++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/goodness/ACRComparator.java
@@ -39,15 +39,15 @@ public class ACRComparator implements IGoodnessCompareEngine, IUpdateCycleEngine
   private final Library socialPool;
   private double epsilon_t = 0;
 
-  private final double RU = 0.75;
-  private final double RL = 0.25;
-  private final double BETAF = 0.618;
-  private final double BETAL = 0.618;
-  private final double BETAU = 1.382;
+  private static final double RU = 0.75;
+  private static final double RL = 0.25;
+  private static final double BETAF = 0.618;
+  private static final double BETAL = 0.618;
+  private static final double BETAU = 1.382;
 
   private final double T;
 
-  private final double TthR = 0.5;
+  private static final double TthR = 0.5;
 
   public ACRComparator(Library lib, int T) {
     socialPool = lib;
diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/sco/SCAgent.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/sco/SCAgent.java
index b473ae0a3807..882613d2e8c3 100644
--- a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/sco/SCAgent.java
+++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/sco/SCAgent.java
@@ -48,9 +48,9 @@ public class SCAgent {
   private IGoodnessCompareEngine specComparator;
 
   //the coefficients of SCAgent
-  private final int TaoB = 2;
+  private static final int TaoB = 2;
   //The early version set TaoW as the size of external library (NL), but 4 is often enough
-  private final int TaoW = 4;
+  private static final int TaoW = 4;
 
   //The referred external library
   private Library externalLib;