diff --git a/src/main/java/neqsim/datapresentation/jfreechart/Graph2b.java b/src/main/java/neqsim/datapresentation/jfreechart/Graph2b.java
index c7c051f6f2..e4a201c16c 100644
--- a/src/main/java/neqsim/datapresentation/jfreechart/Graph2b.java
+++ b/src/main/java/neqsim/datapresentation/jfreechart/Graph2b.java
@@ -18,6 +18,7 @@
 import org.jfree.data.xy.XYDataset;
 import org.jfree.data.xy.XYSeries;
 import org.jfree.data.xy.XYSeriesCollection;
+import neqsim.util.ExcludeFromJacocoGeneratedReport;
 
 /**
  * <p>
@@ -302,6 +303,7 @@ public ChartPanel getChartPanel() {
    *
    * @param args the command line arguments
    */
+  @ExcludeFromJacocoGeneratedReport
   public static void main(String[] args) {
     new Graph2b().setVisible(true);
   }
diff --git a/src/main/java/neqsim/process/equipment/compressor/Compressor.java b/src/main/java/neqsim/process/equipment/compressor/Compressor.java
index ab6d8d19d8..9c403002b0 100644
--- a/src/main/java/neqsim/process/equipment/compressor/Compressor.java
+++ b/src/main/java/neqsim/process/equipment/compressor/Compressor.java
@@ -1468,10 +1468,11 @@ public double getActualCompressionRatio() {
   }
 
   /**
+   * {@inheritDoc}
+   *
    * <p>
    * Set CompressorChartType
    * </p>
-   *
    */
   public void setCompressorChartType(String type) {
     if (type.equals("simple") || type.equals("fan law")) {
diff --git a/src/main/java/neqsim/process/equipment/compressor/CompressorChart.java b/src/main/java/neqsim/process/equipment/compressor/CompressorChart.java
index 2dfa7dfa68..b1e859a7e3 100644
--- a/src/main/java/neqsim/process/equipment/compressor/CompressorChart.java
+++ b/src/main/java/neqsim/process/equipment/compressor/CompressorChart.java
@@ -76,12 +76,6 @@ public void addCurve(double speed, double[] flow, double[] head, double[] polytr
    * The method takes chart conditions and initializes internal variables for different performance
    * parameters based on input arrays for speed, flow, head, and polytropic efficiency. It also
    * normalizes these parameters by calculating reduced values based on speed.
-   *
-   * @param chartConditions An array of conditions used for the compressor chart. (Currently unused)
-   * @param speed An array representing the compressor speed values.
-   * @param flow A 2D array representing the flow rates at different speeds.
-   * @param head A 2D array representing the head values at different speeds.
-   * @param polyEff A 2D array representing the polytropic efficiency values at different speeds.
    */
   @Override
   public void setCurves(double[] chartConditions, double[] speed, double[][] flow, double[][] head,
diff --git a/src/main/java/neqsim/process/equipment/compressor/CompressorChartAlternativeMapLookup.java b/src/main/java/neqsim/process/equipment/compressor/CompressorChartAlternativeMapLookup.java
index bcb2631601..b188b364da 100644
--- a/src/main/java/neqsim/process/equipment/compressor/CompressorChartAlternativeMapLookup.java
+++ b/src/main/java/neqsim/process/equipment/compressor/CompressorChartAlternativeMapLookup.java
@@ -123,6 +123,8 @@
  */
 
 /**
+ * <p>CompressorChartAlternativeMapLookup class.</p>
+ *
  * @author asmund
  * @version $Id: $Id
  */
@@ -172,14 +174,10 @@ public void addCurve(double speed, double[] flow, double[] head, double[] polytr
 
   /** {@inheritDoc} */
   /**
+   * {@inheritDoc}
+   *
    * Sets the compressor curves based on the provided chart conditions, speed, flow, head, and
    * polytropic efficiency values.
-   *
-   * @param chartConditions an array of chart conditions (not used in this method)
-   * @param speed an array of speed values for the compressor
-   * @param flow a 2D array of flow values corresponding to each speed
-   * @param head a 2D array of head values corresponding to each speed
-   * @param polyEff a 2D array of polytropic efficiency values corresponding to each speed
    */
   @Override
   public void setCurves(double[] chartConditions, double[] speed, double[][] flow, double[][] head,
@@ -208,6 +206,7 @@ public void setCurves(double[] chartConditions, double[] speed, double[][] flow,
    * lowest reference speed is returned. If the given speed is higher than the highest reference
    * speed, the highest reference speed is returned.
    *
+   * @return an ArrayList of the closest reference speeds
    * @param speed the speed to find the closest reference speeds for
    * @return an ArrayList of the closest reference speeds
    */
@@ -243,14 +242,12 @@ public ArrayList<Double> getClosestRefSpeeds(double speed) {
 
   /** {@inheritDoc} */
   /**
+   * {@inheritDoc}
+   *
    * Calculates the polytropic head for a given flow and speed.
    *
    * This method interpolates the polytropic head values from reference speeds closest to the given
    * speed and averages them to estimate the polytropic head at the specified flow and speed.
-   *
-   * @param flow the flow rate for which the polytropic head is to be calculated
-   * @param speed the speed at which the polytropic head is to be calculated
-   * @return the calculated polytropic head
    */
   @Override
   public double getPolytropicHead(double flow, double speed) {
@@ -278,13 +275,11 @@ public double getPolytropicHead(double flow, double speed) {
 
   /** {@inheritDoc} */
   /**
+   * {@inheritDoc}
+   *
    * Calculates the polytropic efficiency of the compressor for a given flow and speed. The method
    * interpolates the efficiency values from reference speed curves and averages them to estimate
    * the efficiency at the specified conditions.
-   *
-   * @param flow the flow rate through the compressor
-   * @param speed the rotational speed of the compressor
-   * @return the polytropic efficiency at the specified flow and speed
    */
   @Override
   public double getPolytropicEfficiency(double flow, double speed) {
diff --git a/src/main/java/neqsim/process/equipment/compressor/CompressorChartAlternativeMapLookupExtrapolate.java b/src/main/java/neqsim/process/equipment/compressor/CompressorChartAlternativeMapLookupExtrapolate.java
index 01ab16f5d0..634b1fd629 100644
--- a/src/main/java/neqsim/process/equipment/compressor/CompressorChartAlternativeMapLookupExtrapolate.java
+++ b/src/main/java/neqsim/process/equipment/compressor/CompressorChartAlternativeMapLookupExtrapolate.java
@@ -6,6 +6,11 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+/**
+ * <p>CompressorChartAlternativeMapLookupExtrapolate class.</p>
+ *
+ * @author ASMF
+ */
 public class CompressorChartAlternativeMapLookupExtrapolate
     extends CompressorChartAlternativeMapLookup {
   private static final long serialVersionUID = 1000;
@@ -13,16 +18,14 @@ public class CompressorChartAlternativeMapLookupExtrapolate
 
 
   /**
+   * {@inheritDoc}
+   *
    * Retrieves the closest reference speeds to the given speed from the compressor chart values. The
    * method returns a list containing one or two speeds: - If the given speed matches a reference
    * speed, the list contains only that speed. - If the given speed is between two reference speeds,
    * the list contains both speeds. - If the given speed is less than the lowest reference speed,
    * the list contains the lowest reference speed. - If the given speed is greater than the highest
    * reference speed, the list contains the highest reference speed.
-   *
-   * @param speed the speed to find the closest reference speeds for.
-   * @return a list of the closest reference speeds.
-   * @throws IllegalStateException if no reference speeds are available in the chart values.
    */
   @Override
   public ArrayList<Double> getClosestRefSpeeds(double speed) {
@@ -59,12 +62,10 @@ public ArrayList<Double> getClosestRefSpeeds(double speed) {
   }
 
   /**
+   * {@inheritDoc}
+   *
    * Calculates the polytropic head for a given flow and speed by interpolating or extrapolating
    * between reference compressor curves.
-   *
-   * @param flow the flow rate for which the polytropic head is to be calculated
-   * @param speed the speed at which the compressor is operating
-   * @return the polytropic head corresponding to the given flow and speed
    */
   @Override
   public double getPolytropicHead(double flow, double speed) {
@@ -95,14 +96,10 @@ public double getPolytropicHead(double flow, double speed) {
   }
 
   /**
+   * {@inheritDoc}
+   *
    * Calculates the polytropic efficiency for a given flow and speed by interpolating or
    * extrapolating between reference compressor curves.
-   *
-   * @param flow the flow rate for which the polytropic efficiency is to be calculated
-   * @param speed the speed at which the compressor is operating
-   * @return the polytropic efficiency at the given flow and speed
-   * @throws IllegalArgumentException if no valid reference speeds are found for the given speed or
-   *         if the curve data for a reference speed is invalid
    */
   @Override
   public double getPolytropicEfficiency(double flow, double speed) {
diff --git a/src/main/java/neqsim/process/equipment/compressor/CompressorChartGenerator.java b/src/main/java/neqsim/process/equipment/compressor/CompressorChartGenerator.java
index da96215904..b9e72d03ff 100644
--- a/src/main/java/neqsim/process/equipment/compressor/CompressorChartGenerator.java
+++ b/src/main/java/neqsim/process/equipment/compressor/CompressorChartGenerator.java
@@ -2,12 +2,12 @@
 
 /**
  * Compressor chart generator.
- * 
+ *
  * This class generates a compressor chart based on the provided compressor and the specified
  * generation option.
- * 
+ *
  * Supports generating normal curves and alternative curves.
- * 
+ *
  * @author Even Solbraa
  */
 public class CompressorChartGenerator {
diff --git a/src/main/java/neqsim/process/equipment/compressor/CompressorInterface.java b/src/main/java/neqsim/process/equipment/compressor/CompressorInterface.java
index 103bd51e22..866bbb8399 100644
--- a/src/main/java/neqsim/process/equipment/compressor/CompressorInterface.java
+++ b/src/main/java/neqsim/process/equipment/compressor/CompressorInterface.java
@@ -140,6 +140,7 @@ public interface CompressorInterface extends ProcessEquipmentInterface, TwoPortI
    * Set CompressorChartType
    * </p>
    *
+   * @param type a {@link java.lang.String} object
    */
   public void setCompressorChartType(String type);
 
diff --git a/src/main/java/neqsim/process/equipment/util/Recycle.java b/src/main/java/neqsim/process/equipment/util/Recycle.java
index ecaaa7d2c4..9e3fbeb660 100644
--- a/src/main/java/neqsim/process/equipment/util/Recycle.java
+++ b/src/main/java/neqsim/process/equipment/util/Recycle.java
@@ -476,7 +476,7 @@ public void setTemperature(double temp) {
    * Setter for the tolerance fields.
    * </p>
    * Set tolerances to tolerance input.
-   * 
+   *
    * @param tolerance the tolerance to set
    */
   public void setTolerance(double tolerance) {
diff --git a/src/main/java/neqsim/process/processmodel/ProcessSystem.java b/src/main/java/neqsim/process/processmodel/ProcessSystem.java
index c0d62ff15b..183cb34c81 100644
--- a/src/main/java/neqsim/process/processmodel/ProcessSystem.java
+++ b/src/main/java/neqsim/process/processmodel/ProcessSystem.java
@@ -737,7 +737,7 @@ public void setName(String name) {
 
   /**
    * Setter for the field <code>runStep</code>.
-   * 
+   *
    * @param runStep A <code>boolean</code> value if run only one iteration
    */
   public void setRunStep(boolean runStep) {
@@ -746,7 +746,7 @@ public void setRunStep(boolean runStep) {
 
   /**
    * Getter for the field <code>runStep</code>.
-   * 
+   *
    * @return A <code>boolean</code> value if run only one iteration
    */
   public boolean isRunStep() {
diff --git a/src/main/java/neqsim/thermo/component/attractiveeosterm/AttractiveTermInterface.java b/src/main/java/neqsim/thermo/component/attractiveeosterm/AttractiveTermInterface.java
index da96f8890b..0f8ddec505 100644
--- a/src/main/java/neqsim/thermo/component/attractiveeosterm/AttractiveTermInterface.java
+++ b/src/main/java/neqsim/thermo/component/attractiveeosterm/AttractiveTermInterface.java
@@ -120,5 +120,10 @@ public interface AttractiveTermInterface extends Cloneable, java.io.Serializable
    */
   public AttractiveTermInterface clone();
 
+  /**
+   * <p>getm.</p>
+   *
+   * @return a double
+   */
   public double getm();
 }
diff --git a/src/main/java/neqsim/thermo/system/SystemInterface.java b/src/main/java/neqsim/thermo/system/SystemInterface.java
index b2ceff1f40..165beb2869 100644
--- a/src/main/java/neqsim/thermo/system/SystemInterface.java
+++ b/src/main/java/neqsim/thermo/system/SystemInterface.java
@@ -2662,5 +2662,10 @@ public default void setPhysicalPropertyModel(int type) {
    */
   public void setForceSinglePhase(String phasetypename);
 
+  /**
+   * <p>isInitialized.</p>
+   *
+   * @return a boolean
+   */
   public boolean isInitialized();
 }
diff --git a/src/main/java/neqsim/thermo/system/SystemThermo.java b/src/main/java/neqsim/thermo/system/SystemThermo.java
index 23de161739..69b919a5e3 100644
--- a/src/main/java/neqsim/thermo/system/SystemThermo.java
+++ b/src/main/java/neqsim/thermo/system/SystemThermo.java
@@ -107,6 +107,11 @@ public abstract class SystemThermo implements SystemInterface {
   // Initialization
   boolean isInitialized = false;
 
+  /**
+   * <p>isInitialized.</p>
+   *
+   * @return a boolean
+   */
   public boolean isInitialized() {
     return isInitialized;
   }
diff --git a/src/main/java/neqsim/thermodynamicoperations/flashops/TPgradientFlash.java b/src/main/java/neqsim/thermodynamicoperations/flashops/TPgradientFlash.java
index 61f342c262..6db71251c2 100644
--- a/src/main/java/neqsim/thermodynamicoperations/flashops/TPgradientFlash.java
+++ b/src/main/java/neqsim/thermodynamicoperations/flashops/TPgradientFlash.java
@@ -12,6 +12,8 @@
 
 /**
  * TPgradientFlash class handles thermodynamic calculations with temperature and pressure gradients.
+ *
+ * @author ASMF
  */
 public class TPgradientFlash extends Flash {
   private static final long serialVersionUID = 1000;
diff --git a/src/main/java/neqsim/util/ExcludeFromJacocoGeneratedReport.java b/src/main/java/neqsim/util/ExcludeFromJacocoGeneratedReport.java
index afadaa282f..edccb1b00d 100644
--- a/src/main/java/neqsim/util/ExcludeFromJacocoGeneratedReport.java
+++ b/src/main/java/neqsim/util/ExcludeFromJacocoGeneratedReport.java
@@ -5,6 +5,11 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+/**
+ * <p>ExcludeFromJacocoGeneratedReport class.</p>
+ *
+ * @author ASMF
+ */
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.METHOD)
 public @interface ExcludeFromJacocoGeneratedReport {