<> operator

src/net/sourceforge/plantuml/acearth/PSystemXearthFactory.java

@@ -50,7 +50,7 @@ import net.sourceforge.plantuml.core.UmlSource;
 
 public class PSystemXearthFactory extends PSystemBasicFactory<PSystemXearth> {
 
-	private final Map<String, String> config = new LinkedHashMap<String, String>();
+	private final Map<String, String> config = new LinkedHashMap<>();
 	private final List<Marker> markers = new ArrayList<>();
 	private int width;
 	private int height;

src/net/sourceforge/plantuml/activitydiagram3/MonoSwimable.java

@@ -50,7 +50,7 @@ abstract class MonoSwimable extends WithNote implements Swimable {
 	}
 
 	final public Set<Swimlane> getSwimlanes() {
-		return swimlane == null ? Collections.<Swimlane>emptySet() : Collections.<Swimlane>singleton(swimlane);
+		return swimlane == null ? Collections.emptySet() : Collections.<Swimlane>singleton(swimlane);
 	}
 
 	final public Swimlane getSwimlaneIn() {

src/net/sourceforge/plantuml/activitydiagram3/ftile/TextBlockInterceptorUDrawable.java

@@ -42,7 +42,6 @@ import net.sourceforge.plantuml.graphic.AbstractTextBlock;
 import net.sourceforge.plantuml.graphic.StringBounder;
 import net.sourceforge.plantuml.graphic.TextBlock;
 import net.sourceforge.plantuml.ugraphic.UGraphic;
-import net.sourceforge.plantuml.ugraphic.UTranslate;
 
 public class TextBlockInterceptorUDrawable extends AbstractTextBlock implements TextBlock {
 
@@ -53,7 +52,7 @@ public class TextBlockInterceptorUDrawable extends AbstractTextBlock implements
 	}
 
 	public void drawU(UGraphic ug) {
-		new UGraphicInterceptorUDrawable2(ug, new HashMap<String, UTranslate>()).draw(textBlock);
+		new UGraphicInterceptorUDrawable2(ug, new HashMap<>()).draw(textBlock);
 		ug.flushUg();
 	}
 

src/net/sourceforge/plantuml/activitydiagram3/ftile/UGraphicInterceptorUDrawable2.java

@@ -38,7 +38,6 @@ package net.sourceforge.plantuml.activitydiagram3.ftile;
 import java.awt.geom.Point2D;
 import java.util.Map;
 
-import net.sourceforge.plantuml.activitydiagram3.gtile.GConnection;
 import net.sourceforge.plantuml.activitydiagram3.gtile.Gtile;
 import net.sourceforge.plantuml.graphic.UDrawable;
 import net.sourceforge.plantuml.graphic.UGraphicDelegator;

src/net/sourceforge/plantuml/activitydiagram3/ftile/Worm.java

@@ -62,7 +62,7 @@ import net.sourceforge.plantuml.ugraphic.comp.CompressionMode;
 
 public class Worm implements Iterable<Point2D.Double> {
 
-	private final List<Point2D.Double> points = new ArrayList<Point2D.Double>();
+	private final List<Point2D.Double> points = new ArrayList<>();
 	private final Style style;
 
 	public Worm(Style style) {
@@ -230,7 +230,7 @@ public class Worm implements Iterable<Point2D.Double> {
 	public String toString() {
 		final StringBuilder result = new StringBuilder();
 		for (int i = 0; i < points.size() - 1; i++)
-			result.append(getDirectionAtPoint(i) + " ");
+			result.append(getDirectionAtPoint(i)).append(" ");
 
 		return result + points.toString();
 	}

src/net/sourceforge/plantuml/board/BArray.java

@@ -42,7 +42,7 @@ import java.util.Map;
 
 public class BArray implements Iterable<BNode> {
 
-	private final Map<String, BNode> data = new HashMap<String, BNode>();
+	private final Map<String, BNode> data = new HashMap<>();
 	private int maxX;
 	private int maxY;
 

src/net/sourceforge/plantuml/bpm/Grid.java

@@ -311,7 +311,7 @@ public class Grid {
 	// }
 
 	public void addConnections() {
-		for (Map.Entry<Coord, Cell> ent : new HashMap<Coord, Cell>(cells).entrySet()) {
+		for (Map.Entry<Coord, Cell> ent : new HashMap<>(cells).entrySet()) {
 			final List<Placeable> dests2 = ent.getValue().getDestinations2();
 			final Coord src = ent.getKey();
 			for (int i = 0; i < dests2.size(); i++) {

src/net/sourceforge/plantuml/core/UmlSource.java

@@ -97,7 +97,7 @@ final public class UmlSource {
 	}
 
 	public UmlSource(List<StringLocated> data, boolean checkEndingBackslash) {
-		this(data, checkEndingBackslash, new ArrayList<StringLocated>());
+		this(data, checkEndingBackslash, new ArrayList<>());
 	}
 
 	/**
@@ -109,14 +109,14 @@ final public class UmlSource {
 	 *                             following one.
 	 */
 	public UmlSource(List<StringLocated> data, boolean checkEndingBackslash, List<StringLocated> rawSource) {
-		this(new ArrayList<StringLocated>(), rawSource);
+		this(new ArrayList<>(), rawSource);
 
 		if (checkEndingBackslash) {
 			final StringBuilder pending = new StringBuilder();
 			for (StringLocated cs : data) {
 				final String s = cs.getString();
 				if (StringUtils.endsWithBackslash(s)) {
-					pending.append(s.substring(0, s.length() - 1));
+					pending.append(s, 0, s.length() - 1);
 				} else {
 					pending.append(s);
 					this.source.add(new StringLocated(pending.toString(), cs.getLocation()));

src/net/sourceforge/plantuml/creole/SheetBlock1.java

@@ -109,9 +109,9 @@ public class SheetBlock1 extends AbstractTextBlock implements TextBlock, Atom, S
 		for (Stripe stripe : sheet) {
 			stripes.addAll(new Fission(stripe, maxWidth).getSplitted(stringBounder));
 		}
-		positions = new LinkedHashMap<Atom, Position>();
-		widths = new LinkedHashMap<Stripe, Double>();
-		heights = new LinkedHashMap<Stripe, Double>();
+		positions = new LinkedHashMap<>();
+		widths = new LinkedHashMap<>();
+		heights = new LinkedHashMap<>();
 		minMax = MinMax.getEmpty(true);
 		double y = 0;
 		for (Stripe stripe : stripes) {

src/net/sourceforge/plantuml/cucadiagram/Stereostyles.java

@@ -48,7 +48,7 @@ public class Stereostyles {
 
 	public static final Stereostyles NONE = new Stereostyles();
 
-	private final Set<String> names = new LinkedHashSet<String>();
+	private final Set<String> names = new LinkedHashSet<>();
 
 	private Stereostyles() {
 	}

src/net/sourceforge/plantuml/cucadiagram/TextBlockMap.java

@@ -65,7 +65,7 @@ public class TextBlockMap extends AbstractTextBlock implements WithPorts {
 	private final FontParam fontParam;
 	private final ISkinParam skinParam;
 	private final FontConfiguration fontConfiguration;
-	private final Map<TextBlock, TextBlock> blocksMap = new LinkedHashMap<TextBlock, TextBlock>();
+	private final Map<TextBlock, TextBlock> blocksMap = new LinkedHashMap<>();
 	private final List<String> keys = new ArrayList<>();
 	private double totalWidth;