Delft Java Utilities

djutils-parent 2.1.9

MODULES

• djutils-parent
• djutils
• djutils-cli
• djutils-serialization
• djutils-data
• djutils-stats
• djutils-draw

PROJECT REPORTS

• Reports
• Source Xref
• Test Xref
• CPD
• PMD

PROJECT INFO

• About
• Project Summary
• Project Team
• Project License
• Versions + Changes

RELATED

• DJUTILS manual
• DJUNITS
• SIM0MQ
• DSOL
• OpenTrafficSim
• DITTLab
• Simulation@TU Delft
• About DJUTILS

PMD Results

The following document contains the results of PMD 6.46.0.

Violations By Priority

Priority 3

DJUTILS sampling / output data storage - org/djutils/data/xml/XmlData.java

Rule	Violation	Line
CollapsibleIfStatements	These nested if statements could be combined	342–345
CollapsibleIfStatements	These nested if statements could be combined	377–380

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/Clothoid.java

Rule	Violation	Line
UnusedLocalVariable	Avoid unused local variables such as 'k'.	638
UnusedLocalVariable	Avoid unused local variables such as 'dk'.	639
UnusedLocalVariable	Avoid unused local variables such as 'k_1'.	725
UnusedLocalVariable	Avoid unused local variables such as 'dk_1'.	726
UnusedLocalVariable	Avoid unused local variables such as 'l_1'.	727
UnusedLocalVariable	Avoid unused local variables such as 'k_2'.	728
UnusedLocalVariable	Avoid unused local variables such as 'dk_2'.	729
UnusedLocalVariable	Avoid unused local variables such as 'l_2'.	730
UnusedPrivateMethod	Avoid unused private methods such as 'kappa(double,double)'.	917
UnusedPrivateMethod	Avoid unused private methods such as 'theta_guess(double,double)'.	937
UnusedLocalVariable	Avoid unused local variables such as 'ok'.	952

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/ConvexHull.java

Rule	Violation	Line
CollapsibleIfStatements	These nested if statements could be combined	215–218

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/PolyLine3d.java

Rule	Violation	Line
EmptyCatchBlock	Avoid empty catch blocks	621–624

DJUTILS serialization of data structures - org/djutils/serialization/TypedMessage.java

Rule	Violation	Line
SimplifiedTernary	Ternary operators that can be simplified with || or &&	178
SimplifiedTernary	Ternary operators that can be simplified with || or &&	632
SimplifiedTernary	Ternary operators that can be simplified with || or &&	652
SimplifiedTernary	Ternary operators that can be simplified with || or &&	1079
SimplifiedTernary	Ternary operators that can be simplified with || or &&	1100

DJUTILS serialization of data structures - org/djutils/serialization/util/SerialDataDumper.java

Rule	Violation	Line
EmptyCatchBlock	Avoid empty catch blocks	64–67

DJUTILS statistical and data storage utilities - org/djutils/stats/summarizers/event/EventBasedWeightedTally.java

Rule	Violation	Line
UselessOverridingMethod	Overriding method merely calls super	138–141

DJUTILS - Delft Java Utilities - org/djutils/immutablecollections/ImmutableArrayList.java

Rule	Violation	Line
UselessOverridingMethod	Overriding method merely calls super	69–72

DJUTILS - Delft Java Utilities - org/djutils/immutablecollections/ImmutableHashSet.java

Rule	Violation	Line
UselessOverridingMethod	Overriding method merely calls super	65–68

DJUTILS - Delft Java Utilities - org/djutils/immutablecollections/ImmutableLinkedHashSet.java

Rule	Violation	Line
UselessOverridingMethod	Overriding method merely calls super	62–65

DJUTILS - Delft Java Utilities - org/djutils/io/URLResource.java

Rule	Violation	Line
EmptyCatchBlock	Avoid empty catch blocks	113–116
EmptyCatchBlock	Avoid empty catch blocks	206–209

DJUTILS - Delft Java Utilities - org/djutils/primitives/Primitive.java

Rule	Violation	Line
CollapsibleIfStatements	These nested if statements could be combined	367–370

DJUTILS - Delft Java Utilities - org/djutils/reflection/ClassUtil.java

Rule	Violation	Line
CollapsibleIfStatements	These nested if statements could be combined	664–667
EmptyCatchBlock	Avoid empty catch blocks	1128–1131

DJUTILS - Delft Java Utilities - org/djutils/rmi/RmiObject.java

Rule	Violation	Line
AvoidUsingHardCodedIP	Do not hard code the IP address	45

DJUTILS - Delft Java Utilities - org/djutils/rmi/RmiRegistry.java

Rule	Violation	Line
AvoidUsingHardCodedIP	Do not hard code the IP address	74

Priority 4

DJUTILS sampling / output data storage - org/djutils/data/serialization/BooleanSerializer.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/ByteSerializer.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/CharacterSerializer.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/DoubleSerializer.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/FloatSerializer.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/IntegerSerializer.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/LongSerializer.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/ShortSerializer.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/StringSerializer.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	26

DJUTILS - Drawing and animation primitives - org/djutils/draw/Drawable.java

Rule	Violation	Line
UnnecessaryImport	Unused import 'java.lang.reflect.Array'	4
UnnecessaryImport	Unused import 'org.djutils.exceptions.Throw'	10

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/Bezier.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	644
UselessParentheses	Useless parentheses.	808

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/PolyLine2d.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	714

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/PolyLine3d.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	95
UselessParentheses	Useless parentheses.	737

DJUTILS serialization of data structures - org/djutils/serialization/EndianUtil.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	103–104
UselessParentheses	Useless parentheses.	108–109
UselessParentheses	Useless parentheses.	123–126
UselessParentheses	Useless parentheses.	130–133

DJUTILS - Delft Java Utilities - org/djutils/complex/ComplexMath.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	152
UselessParentheses	Useless parentheses.	186
UselessParentheses	Useless parentheses.	186

DJUTILS - Delft Java Utilities - org/djutils/decoderdumper/Dumper.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	126
UselessParentheses	Useless parentheses.	126
UselessParentheses	Useless parentheses.	136
UselessParentheses	Useless parentheses.	136

DJUTILS - Delft Java Utilities - org/djutils/event/Event.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	61

DJUTILS - Delft Java Utilities - org/djutils/immutablecollections/ImmutableMap.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	113
UselessParentheses	Useless parentheses.	113

DJUTILS - Delft Java Utilities - org/djutils/metadata/MetaData.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	168
UselessParentheses	Useless parentheses.	168

DJUTILS - Delft Java Utilities - org/djutils/multikeymap/MultiKeyMap.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	200

DJUTILS - Delft Java Utilities - org/djutils/polynomialroots/PolynomialRoots.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	154
UselessParentheses	Useless parentheses.	159
UselessParentheses	Useless parentheses.	655
UselessParentheses	Useless parentheses.	655
UselessParentheses	Useless parentheses.	1222
UselessParentheses	Useless parentheses.	1222
UselessParentheses	Useless parentheses.	1401
UselessParentheses	Useless parentheses.	1413
UselessParentheses	Useless parentheses.	1417
UselessParentheses	Useless parentheses.	1420

DJUTILS - Delft Java Utilities - org/djutils/polynomialroots/PolynomialRoots2.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	153
UselessParentheses	Useless parentheses.	158
UselessParentheses	Useless parentheses.	396
UselessParentheses	Useless parentheses.	397
UselessParentheses	Useless parentheses.	399

DJUTILS - Delft Java Utilities - org/djutils/primitives/Primitive.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	47

DJUTILS - Delft Java Utilities - org/djutils/quadtree/QuadTree.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	401
UselessParentheses	Useless parentheses.	401

DJUTILS - Delft Java Utilities - org/djutils/quadtree/Rectangle.java

Rule	Violation	Line
UselessParentheses	Useless parentheses.	147

Files

DJUTILS sampling / output data storage - org/djutils/data/serialization/BooleanSerializer.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/ByteSerializer.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/CharacterSerializer.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/DoubleSerializer.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/FloatSerializer.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/IntegerSerializer.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/LongSerializer.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/ShortSerializer.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	26

DJUTILS sampling / output data storage - org/djutils/data/serialization/StringSerializer.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	26

DJUTILS sampling / output data storage - org/djutils/data/xml/XmlData.java

Rule	Violation	Priority	Line
CollapsibleIfStatements	These nested if statements could be combined	3	342–345
CollapsibleIfStatements	These nested if statements could be combined	3	377–380

DJUTILS - Drawing and animation primitives - org/djutils/draw/Drawable.java

Rule	Violation	Priority	Line
UnnecessaryImport	Unused import 'java.lang.reflect.Array'	4	4
UnnecessaryImport	Unused import 'org.djutils.exceptions.Throw'	4	10

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/Bezier.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	644
UselessParentheses	Useless parentheses.	4	808

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/Clothoid.java

Rule	Violation	Priority	Line
UnusedLocalVariable	Avoid unused local variables such as 'k'.	3	638
UnusedLocalVariable	Avoid unused local variables such as 'dk'.	3	639
UnusedLocalVariable	Avoid unused local variables such as 'k_1'.	3	725
UnusedLocalVariable	Avoid unused local variables such as 'dk_1'.	3	726
UnusedLocalVariable	Avoid unused local variables such as 'l_1'.	3	727
UnusedLocalVariable	Avoid unused local variables such as 'k_2'.	3	728
UnusedLocalVariable	Avoid unused local variables such as 'dk_2'.	3	729
UnusedLocalVariable	Avoid unused local variables such as 'l_2'.	3	730
UnusedPrivateMethod	Avoid unused private methods such as 'kappa(double,double)'.	3	917
UnusedPrivateMethod	Avoid unused private methods such as 'theta_guess(double,double)'.	3	937
UnusedLocalVariable	Avoid unused local variables such as 'ok'.	3	952

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/ConvexHull.java

Rule	Violation	Priority	Line
CollapsibleIfStatements	These nested if statements could be combined	3	215–218

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/PolyLine2d.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	714

DJUTILS - Drawing and animation primitives - org/djutils/draw/line/PolyLine3d.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	95
EmptyCatchBlock	Avoid empty catch blocks	3	621–624
UselessParentheses	Useless parentheses.	4	737

DJUTILS serialization of data structures - org/djutils/serialization/EndianUtil.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	103–104
UselessParentheses	Useless parentheses.	4	108–109
UselessParentheses	Useless parentheses.	4	123–126
UselessParentheses	Useless parentheses.	4	130–133

DJUTILS serialization of data structures - org/djutils/serialization/TypedMessage.java

Rule	Violation	Priority	Line
SimplifiedTernary	Ternary operators that can be simplified with || or &&	3	178
SimplifiedTernary	Ternary operators that can be simplified with || or &&	3	632
SimplifiedTernary	Ternary operators that can be simplified with || or &&	3	652
SimplifiedTernary	Ternary operators that can be simplified with || or &&	3	1079
SimplifiedTernary	Ternary operators that can be simplified with || or &&	3	1100

DJUTILS serialization of data structures - org/djutils/serialization/util/SerialDataDumper.java

Rule	Violation	Priority	Line
EmptyCatchBlock	Avoid empty catch blocks	3	64–67

DJUTILS statistical and data storage utilities - org/djutils/stats/summarizers/event/EventBasedWeightedTally.java

Rule	Violation	Priority	Line
UselessOverridingMethod	Overriding method merely calls super	3	138–141

DJUTILS - Delft Java Utilities - org/djutils/complex/ComplexMath.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	152
UselessParentheses	Useless parentheses.	4	186
UselessParentheses	Useless parentheses.	4	186

DJUTILS - Delft Java Utilities - org/djutils/decoderdumper/Dumper.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	126
UselessParentheses	Useless parentheses.	4	126
UselessParentheses	Useless parentheses.	4	136
UselessParentheses	Useless parentheses.	4	136

DJUTILS - Delft Java Utilities - org/djutils/event/Event.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	61

DJUTILS - Delft Java Utilities - org/djutils/immutablecollections/ImmutableArrayList.java

Rule	Violation	Priority	Line
UselessOverridingMethod	Overriding method merely calls super	3	69–72

DJUTILS - Delft Java Utilities - org/djutils/immutablecollections/ImmutableHashSet.java

Rule	Violation	Priority	Line
UselessOverridingMethod	Overriding method merely calls super	3	65–68

DJUTILS - Delft Java Utilities - org/djutils/immutablecollections/ImmutableLinkedHashSet.java

Rule	Violation	Priority	Line
UselessOverridingMethod	Overriding method merely calls super	3	62–65

DJUTILS - Delft Java Utilities - org/djutils/immutablecollections/ImmutableMap.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	113
UselessParentheses	Useless parentheses.	4	113

DJUTILS - Delft Java Utilities - org/djutils/io/URLResource.java

Rule	Violation	Priority	Line
EmptyCatchBlock	Avoid empty catch blocks	3	113–116
EmptyCatchBlock	Avoid empty catch blocks	3	206–209

DJUTILS - Delft Java Utilities - org/djutils/metadata/MetaData.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	168
UselessParentheses	Useless parentheses.	4	168

DJUTILS - Delft Java Utilities - org/djutils/multikeymap/MultiKeyMap.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	200

DJUTILS - Delft Java Utilities - org/djutils/polynomialroots/PolynomialRoots.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	154
UselessParentheses	Useless parentheses.	4	159
UselessParentheses	Useless parentheses.	4	655
UselessParentheses	Useless parentheses.	4	655
UselessParentheses	Useless parentheses.	4	1222
UselessParentheses	Useless parentheses.	4	1222
UselessParentheses	Useless parentheses.	4	1401
UselessParentheses	Useless parentheses.	4	1413
UselessParentheses	Useless parentheses.	4	1417
UselessParentheses	Useless parentheses.	4	1420

DJUTILS - Delft Java Utilities - org/djutils/polynomialroots/PolynomialRoots2.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	153
UselessParentheses	Useless parentheses.	4	158
UselessParentheses	Useless parentheses.	4	396
UselessParentheses	Useless parentheses.	4	397
UselessParentheses	Useless parentheses.	4	399

DJUTILS - Delft Java Utilities - org/djutils/primitives/Primitive.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	47
CollapsibleIfStatements	These nested if statements could be combined	3	367–370

DJUTILS - Delft Java Utilities - org/djutils/quadtree/QuadTree.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	401
UselessParentheses	Useless parentheses.	4	401

DJUTILS - Delft Java Utilities - org/djutils/quadtree/Rectangle.java

Rule	Violation	Priority	Line
UselessParentheses	Useless parentheses.	4	147

DJUTILS - Delft Java Utilities - org/djutils/reflection/ClassUtil.java

Rule	Violation	Priority	Line
CollapsibleIfStatements	These nested if statements could be combined	3	664–667
EmptyCatchBlock	Avoid empty catch blocks	3	1128–1131

DJUTILS - Delft Java Utilities - org/djutils/rmi/RmiObject.java

Rule	Violation	Priority	Line
AvoidUsingHardCodedIP	Do not hard code the IP address	3	45

DJUTILS - Delft Java Utilities - org/djutils/rmi/RmiRegistry.java

Rule	Violation	Priority	Line
AvoidUsingHardCodedIP	Do not hard code the IP address	3	74