Issue #5941: remove all unnecessary spaces on end of line

.ci/README.md

@@ -4,4 +4,4 @@ ATTENTION:
 Example of usage:
   export GOAL="all-sevntu-checks" && ./.ci/travis/travis.sh
 
-  export TRAVIS_PULL_REQUEST="" && export GOAL="releasenotes-gen" && ./.ci/travis/travis.sh 
+  export TRAVIS_PULL_REQUEST="" && export GOAL="releasenotes-gen" && ./.ci/travis/travis.sh

Jenkinsfile

@@ -28,7 +28,7 @@ pipeline {
   agent {
     label "${BUILD_SLAVES_LABEL}"
   }
-    
+
   options {
     ansiColor('xterm')
   }
@@ -52,7 +52,7 @@ pipeline {
 
         // Debug: print all the build envvars
         // echo sh(returnStdout: true, script: 'env')
-        
+
         sh "mvn --version"
       }
     }
@@ -72,7 +72,7 @@ pipeline {
         git 'git@github.com:checkstyle/checkstyle.git' /* clone the master branch */
       }
     }
- 
+
     stage('Build') {
       parallel {
         stage('Package') {

RIGHTS.antlr

@@ -2,7 +2,7 @@
 SOFTWARE RIGHTS
 $Id: RIGHTS.antlr,v 1.1 2001-06-22 13:11:01 oburn Exp $
 
-ANTLR 1989-2000 Developed by jGuru.com (MageLang Institute), 
+ANTLR 1989-2000 Developed by jGuru.com (MageLang Institute),
 https://www.ANTLR.org and http://www.jGuru.com
 
 We reserve no legal rights to the ANTLR--it is fully in the

config/assembly-bin.xml

@@ -29,7 +29,7 @@
       </includes>
     </fileSet>
   </fileSets>
-  
+
   <dependencySets>
     <dependencySet>
       <useProjectArtifact>true</useProjectArtifact>

src/it/resources/com/google/checkstyle/test/chapter7javadoc/rule711generalform/InputInvalidJavadocPosition.java

@@ -6,7 +6,7 @@
 /** warn */
 /** valid */
 class InputInvalidJavadocPosition {
-    /** warn */    
+    /** warn */
 }
 /** valid */
 /* ignore */

src/it/resources/com/google/checkstyle/test/chapter7javadoc/rule734nonrequiredjavadoc/InputInvalidJavadocPosition.java

@@ -6,7 +6,7 @@
 /** warn */
 /** valid */
 class InputInvalidJavadocPosition {
-    /** warn */    
+    /** warn */
 }
 /** valid */
 /* ignore */

src/it/resources/com/sun/checkstyle/test/chapter5comments/rule52documentationcomments/InputInvalidJavadocPosition.java

@@ -6,7 +6,7 @@
 /** warn */
 /** valid */
 class InputInvalidJavadocPosition {
-    /** warn */    
+    /** warn */
 }
 /** valid */
 /* ignore */

src/test/resources-noncompilable/com/puppycrawl/tools/checkstyle/checks/coding/onestatementperline/InputOneStatementPerLineTryWithResources.java

@@ -28,11 +28,11 @@ void method() throws IOException {
         try (s1; OutputStream s11 = new PipedOutputStream();
              s2;) {
         }
-        try (OutputStream 
+        try (OutputStream
              s12 = new PipedOutputStream();s1;OutputStream s3 = new PipedOutputStream() // VIOLATION
              ;s2;) {
         }
-        try (OutputStream 
+        try (OutputStream
              s12 = new PipedOutputStream();s1;OutputStream s3 // VIOLATION
                 = new PipedOutputStream()) {}
         try (s1; s2; OutputStream stream3 =

src/test/resources-noncompilable/com/puppycrawl/tools/checkstyle/checks/imports/customimportorder/InputCustomImportOrderSamePackageDepth25.java

@@ -3,7 +3,7 @@
 // SAME_PACKAGE(2) should include #1-8
 // SAME_PACKAGE(3) should include #4-6
 // SAME_PACKAGE(4) should include only #6
-// SAME_PACKAGE(5) should include no imports because actual package has only 4 domains 
+// SAME_PACKAGE(5) should include no imports because actual package has only 4 domains
 import java.io.File;
 import java.util.*; //#1
 import java.util.List; //#2

src/test/resources-noncompilable/com/puppycrawl/tools/checkstyle/checks/imports/customimportorder/InputCustomImportOrderThirdPartyPackage.java

@@ -13,5 +13,5 @@
 
 public class InputCustomImportOrderThirdPartyPackage
 {
-    
+
 }

src/test/resources-noncompilable/com/puppycrawl/tools/checkstyle/checks/imports/illegalimport/InputIllegalImportDefault.java

@@ -81,7 +81,7 @@ class InputIllegalImportDefault
      * method comment with JavaDoc-only import {@link BitSet#aMethod()}
      */
     public void Label() {}
-    
+
     /**
      * Renders to a {@linkplain Graphics2D graphics context}.
      * @throws HeadlessException if no graphis environment can be found.

src/test/resources/com/puppycrawl/tools/checkstyle/api/fileset/InputFileSetIllegalTokens.java

@@ -13,6 +13,6 @@ public void methodWithPreviouslyIllegalTokens()
                 break;
         }
     }
-    
+
     public native void nativeMethod();
 }

src/test/resources/com/puppycrawl/tools/checkstyle/asttreestringprinter/InputAstTreeStringPrinterJavaAndJavadoc.java

@@ -5,4 +5,4 @@
 */
 public class InputAstTreeStringPrinterJavaAndJavadoc {
 
-} 
+}

src/test/resources/com/puppycrawl/tools/checkstyle/checks/annotation/annotationlocation/InputAnnotationLocationCorrect.java

@@ -7,21 +7,21 @@
 @MyAnnotation5
 class InputAnnotationLocationCorrect
 {
-    
+
     @MyAnnotation6
     @MyAnnotation5
     public int a;
 
     @MyAnnotation5
     public int b;
-    
+
     @MyAnnotation6
     @MyAnnotation5
     public int c;
-    
+
     @MyAnnotation5
     public int d;
-    
+
     @MyAnnotation6
     @MyAnnotation5
     public InputAnnotationLocationCorrect()
@@ -31,11 +31,11 @@ public InputAnnotationLocationCorrect()
     @MyAnnotation5
     @MyAnnotation6
     void foo1() {}
-    
+
     @MyAnnotation5
     @MyAnnotation6
     void foo2() {}
-    
+
     @MyAnnotation5
     @MyAnnotation6
     @MyAnnotation3
@@ -48,22 +48,22 @@ class InnerClass
 
         @MyAnnotation5
         public int b;
-        
+
         @MyAnnotation6
         @MyAnnotation5
         public int c;
-        
+
         @MyAnnotation5
         public int d;
-        
+
         @MyAnnotation6
         public InnerClass()
         {
             // comment
         }
         @MyAnnotation5
         @MyAnnotation6 void foo1(int a) {}
-        
+
         @MyAnnotation5
         @MyAnnotation6
         void foo2() {}
@@ -78,22 +78,22 @@ void foo2() {}
         public int a;
 
         @MyAnnotation5 public int b;
-        
+
         @MyAnnotation6
         @MyAnnotation5
         public int c;
-        
+
         @MyAnnotation5
         public int d;
-        
+
         @MyAnnotation5
         @MyAnnotation6 void foo1() {}
-        
+
         @MyAnnotation5
         @MyAnnotation6
         void foo2() {}
     };
-    
+
 }
 
 @MyAnnotation5

src/test/resources/com/puppycrawl/tools/checkstyle/checks/annotation/annotationlocation/InputAnnotationLocationCustomAnnotationsDeclared.java

@@ -5,15 +5,15 @@ public class InputAnnotationLocationCustomAnnotationsDeclared {
 
     @MyAnnotation13
     void method() {
-        
+
     }
-    
+
     @MyAnnotation13
     @MyAnnotation12
     void method2() {
-        
+
     }
-	
+
 }
 
 @interface MyAnnotation11 {

src/test/resources/com/puppycrawl/tools/checkstyle/checks/annotation/annotationlocation/InputAnnotationLocationEmpty.java

@@ -1,5 +1,5 @@
 package com.puppycrawl.tools.checkstyle.checks.annotation.annotationlocation;
 
 public class InputAnnotationLocationEmpty {
-	
+
 }

src/test/resources/com/puppycrawl/tools/checkstyle/checks/annotation/annotationonsameline/InputAnnotationOnSameLineCheckOnDifferentTokens.java

@@ -43,7 +43,7 @@
         return (@Ann
                 @Ann2 Integer) x;
     }
-    
+
     public <T> T getXAs() {
         return (T) x;
     }
@@ -55,5 +55,5 @@ public <T> T getXAs() {
 
     @Ann
     @Ann2 int x();
-    
+
 }

src/test/resources/com/puppycrawl/tools/checkstyle/checks/annotation/annotationusestyle/InputAnnotationUseStyleDifferentStyles.java

@@ -5,21 +5,21 @@
 @SuppressWarnings({""})
 public class InputAnnotationUseStyleDifferentStyles
 {
-    
+
 }
 
 @SomeArrays(pooches={DOGS.LEO}, um={}, duh={"bleh"})
 @SuppressWarnings("") //compact_no_array
 @Deprecated()
 class Dep {
-    
+
 }
 
 @Deprecated
 @SomeArrays(pooches={DOGS.LEO})
 @SuppressWarnings({""})
 enum SON {
-    
+
     @Deprecated
     @SomeArrays(pooches={DOGS.LEO}, um={""}, duh={"bleh"})
     @APooch(dog=DOGS.HERBIE)
@@ -29,7 +29,7 @@ enum SON {
 
 @InputAnnotationUseStyleCustomAnnotation()
 enum DOGS {
-    
+
     @Deprecated()
     LEO,
     HERBIE
@@ -46,7 +46,7 @@ enum DOGS {
 
 @Another(value={""}) //expanded
 enum E {
-    
+
 }
 
 @interface APooch {

src/test/resources/com/puppycrawl/tools/checkstyle/checks/annotation/annotationusestyle/InputAnnotationUseStyleNoTrailingComma.java

@@ -5,34 +5,34 @@ public class InputAnnotationUseStyleNoTrailingComma
 {
   @SuppressWarnings({"common"})
   public void foo() {
-       
+
       /** Suppress warnings */
       @SuppressWarnings({"common","foo"})
       Object o = new Object() {
-        
+
           @SuppressWarnings(value={"common"})
           public String toString() {
-              
+
               @SuppressWarnings(value={"leo","herbie"})
               final String pooches = "leo.herbie";
-              
+
               return pooches;
           }
       };
   }
-  
+
   @Test2(value={"foo"}, more={"bar"})
 
   @Pooches2(tokens={},other={})
   enum P {
-      
+
       @Pooches2(tokens={Pooches2.class},other={1})
       L, // annotation in enum
-      
+
       @Test2(value={}, more={"unchecked"})
       Y;
   }
-  
+
 }
 
 @interface Test2 {
@@ -41,7 +41,7 @@ enum P {
 }
 
 @interface Pooches2 {
-  
+
   Class<?>[] tokens();
   int[] other();
 }

src/test/resources/com/puppycrawl/tools/checkstyle/checks/annotation/annotationusestyle/InputAnnotationUseStyleParams.java

@@ -7,6 +7,6 @@ public class InputAnnotationUseStyleParams
 {
     @Target({})
     public @interface myAnn {
-        
+
     }
 }