Fix misleading method names.

jplag.frontend-utils/src/main/java/de/jplag/AbstractParser.java

@@ -9,7 +9,7 @@ public abstract class AbstractParser { // TODO TS: We should rename this class,
     protected int errors = 0;
     private int errorsSum = 0;
 
-    public boolean getErrors() {
+    public boolean hasErrors() {
         return errors != 0;
     }
 

jplag.frontend-utils/src/main/java/de/jplag/Language.java

@@ -35,7 +35,7 @@ public interface Language {
     /**
      * Whether errors were found during the last {@link #parse}.
      */
-    public boolean errors();
+    public boolean hasErrors();
 
     /**
      * Number of errors found during the last {@link #parse}.

jplag.frontend.chars/src/main/java/de/jplag/chars/Language.java

@@ -55,8 +55,8 @@ public class Language implements de.jplag.Language {
 	}
 
 	@Override
-    public boolean errors() {
-		return this.parser.getErrors();
+    public boolean hasErrors() {
+		return this.parser.hasErrors();
 	}
 
 	@Override

jplag.frontend.cpp/src/main/java/de/jplag/cpp/Language.java

@@ -64,8 +64,8 @@ public class Language implements de.jplag.Language {
 	}
 
 	@Override
-    public boolean errors() {
-		return this.scanner.getErrors();
+    public boolean hasErrors() {
+		return this.scanner.hasErrors();
 	}
 
 	@Override

jplag.frontend.csharp-1.2/src/main/java/de/jplag/csharp/Language.java

@@ -45,8 +45,8 @@ public class Language implements de.jplag.Language {
 	}
 
 	@Override
-    public boolean errors() {
-		return parser.getErrors();
+    public boolean hasErrors() {
+		return parser.hasErrors();
 	}
 
 	@Override

jplag.frontend.java-1.1exp/src/main/java/de/jplag/javax/Language.java

@@ -60,8 +60,8 @@ public class Language implements de.jplag.Language {
 	}
 
 	@Override
-    public boolean errors() {
-		return this.parser.getErrors();
+    public boolean hasErrors() {
+		return this.parser.hasErrors();
 	}
 
 	@Override

jplag.frontend.java-1.2/src/main/java/de/jplag/java/Language.java

@@ -44,8 +44,8 @@ public class Language implements de.jplag.Language {
 	}
 
 	@Override
-    public boolean errors() {
-		return this.parser.getErrors();
+    public boolean hasErrors() {
+		return this.parser.hasErrors();
 	}
 
 	@Override

jplag.frontend.java-1.5/src/main/java/de/jplag/java15/Language.java

@@ -44,8 +44,8 @@ public class Language implements de.jplag.Language {
 	}
 
 	@Override
-    public boolean errors() {
-		return this.parser.getErrors();
+    public boolean hasErrors() {
+		return this.parser.hasErrors();
 	}
 
 	@Override

jplag.frontend.java-1.5/src/main/java/de/jplag/java15/LanguageWithDelimitedMethods.java

@@ -49,8 +49,8 @@ public class LanguageWithDelimitedMethods implements de.jplag.Language {
 	}
 
 	@Override
-    public boolean errors() {
-		return this.parser.getErrors();
+    public boolean hasErrors() {
+		return this.parser.hasErrors();
 	}
 
 	@Override

jplag.frontend.java-1.7/src/main/java/de/jplag/java17/Language.java

@@ -44,8 +44,8 @@ public class Language implements de.jplag.Language {
 	}
 
 	@Override
-    public boolean errors() {
-		return this.parser.getErrors();
+    public boolean hasErrors() {
+		return this.parser.hasErrors();
 	}
 
 	@Override

jplag.frontend.java-1.9/src/main/java/de/jplag/java19/Language.java

@@ -68,8 +68,8 @@ public class Language implements de.jplag.Language {
     }
 
     @Override
-    public boolean errors() {
-        return this.parser.getErrors();
+    public boolean hasErrors() {
+        return this.parser.hasErrors();
     }
 
     @Override

jplag.frontend.python-3/src/main/java/de/jplag/python3/Language.java

@@ -45,8 +45,8 @@ public class Language implements de.jplag.Language {
     }
 
     @Override
-    public boolean errors() {
-        return this.parser.getErrors();
+    public boolean hasErrors() {
+        return this.parser.hasErrors();
     }
 
     @Override

jplag.frontend.scheme/src/main/java/de/jplag/scheme/Language.java

@@ -61,8 +61,8 @@ public class Language implements de.jplag.Language {
 	}
 
 	@Override
-    public boolean errors() {
-		return this.parser.getErrors();
+    public boolean hasErrors() {
+		return this.parser.hasErrors();
 	}
 
 	@Override

jplag.frontend.text/src/main/java/de/jplag/text/Language.java

@@ -52,8 +52,8 @@ public class Language implements de.jplag.Language {
 	}
 
 	@Override
-    public boolean errors() {
-		return this.parser.getErrors();
+    public boolean hasErrors() {
+		return this.parser.hasErrors();
 	}
 
 	@Override

jplag/src/main/java/de/jplag/Submission.java

@@ -90,7 +90,7 @@ public class Submission implements Comparable<Submission> {
         String[] relativeFilePaths = getRelativeFilePaths(submissionFile, files);
 
         tokenList = this.program.getLanguage().parse(submissionFile, relativeFilePaths);
-        if (!program.getLanguage().errors()) {
+        if (!program.getLanguage().hasErrors()) {
             if (tokenList.size() < 3) {
                 program.print("Submission \"" + name + "\" is too short!\n", null);
                 tokenList = null;