Upgraded to JDK8.

I had no problems building both aima-code and aima-gui under JDK8.

Author: janphkre

aima-core/.settings/org.eclipse.jdt.core.prefs

@@ -1,12 +1,12 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.source=1.8

aima-core/build.properties

@@ -20,5 +20,5 @@ aima-core.dir.build.release=${aima-core.dir.build}/release
 # COMPILER VALUES
 aima-core.compiler.debug=true
 aima-core.compiler.debuglevel=source,lines,vars
-aima-core.compiler.source=1.7
-aima-core.compiler.target=1.7
+aima-core.compiler.source=1.8
+aima-core.compiler.target=1.8

aima-gui/.classpath

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry excluding="aima/gui/fx/demo/|aima/gui/fx/framework/|aima/gui/fx/views/" kind="src" path="src/main/java"/>
+	<classpathentry kind="src" path="src/main/java"/>
 	<classpathentry kind="src" path="src/main/resources"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry combineaccessrules="false" kind="src" path="/aima-core"/>

aima-gui/.settings/org.eclipse.jdt.core.prefs

@@ -1,13 +1,13 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.doc.comment.support=enabled
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.source=1.8

aima-gui/build.xml

@@ -29,7 +29,6 @@
 
 	<target name="aima-gui.compile-all" depends="aima-core.compile-all,aima-gui.makedirs">
 		<javac srcdir="${aima-gui.dir.src}/main"
-			excludes="java/aima/gui/fx/**"
 			destdir="${aima-gui.dir.build.bin}/main" 
 			classpathref="aima-gui.classpath"
 			debug="${aima-core.compiler.debug}"
@@ -46,7 +45,6 @@
 		<javadoc access="protected" author="true" 
 			destdir="${aima-gui.dir.build.doc}/javadoc" 
 			packagenames="aima.*"
-			excludepackagenames="aima.gui.fx.*"
 			sourcepathref="aima-gui.javadoc.src" >
 		</javadoc>
 	</target>

aima-gui/src/main/java/aima/gui/fx/demo/agent/map/RouteFindingAgentApp.java

@@ -12,7 +12,7 @@
 import aima.core.environment.map.SimplifiedRoadMapOfAustralia;
 import aima.core.environment.map.SimplifiedRoadMapOfPartOfRomania;
 import aima.core.util.CancelableThread;
-import aima.core.util.datastructure.Point2D;
+import aima.core.util.math.geom.shapes.Point2D;
 import aima.gui.fx.framework.IntegrableApplication;
 import aima.gui.fx.framework.Parameter;
 import aima.gui.fx.framework.SimulationPaneBuilder;

aima-gui/src/main/java/aima/gui/fx/views/MapEnvironmentViewCtrl.java

@@ -7,7 +7,7 @@
 import aima.core.agent.Environment;
 import aima.core.environment.map.Map;
 import aima.core.environment.map.MapEnvironment;
-import aima.core.util.datastructure.Point2D;
+import aima.core.util.math.geom.shapes.Point2D;
 import javafx.scene.layout.Pane;
 import javafx.scene.layout.StackPane;
 import javafx.scene.paint.Color;