commit fe0d801beac60e040d02264303c059825f2aaa73
Author: joachimschmidt557 <joachim.schmidt557@outlook.com>
Date:   Thu Apr 11 21:08:53 2019 +0200

    Initial commit

diff --git a/.classpath b/.classpath
new file mode 100644
index 0000000..51a8bba
--- /dev/null
+++ b/.classpath
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/.project b/.project
new file mode 100644
index 0000000..e42e4e6
--- /dev/null
+++ b/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>mapfilterfold</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..3a21537
--- /dev/null
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+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=1.8
diff --git a/bin/mapfilterfold/ListImplementation.class b/bin/mapfilterfold/ListImplementation.class
new file mode 100644
index 0000000..0fb07c9
Binary files /dev/null and b/bin/mapfilterfold/ListImplementation.class differ
diff --git a/src/mapfilterfold/ListImplementation.java b/src/mapfilterfold/ListImplementation.java
new file mode 100644
index 0000000..f9ec5c5
--- /dev/null
+++ b/src/mapfilterfold/ListImplementation.java
@@ -0,0 +1,29 @@
+package mapfilterfold;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Function;
+import java.util.function.Predicate;
+
+public class ListImplementation {
+
+	public static <T, R> List<R> map(Function<T, R> func, List<T> list) {
+		
+		List<R> result = new ArrayList<R>(list.size());
+		for (int i = 0; i < list.size(); i++)
+			result.set(i, func.apply(list.get(i)));
+		return result;
+		
+	}
+	
+	public static <T> List<T> filter(Predicate<T> pred, List<T> list) {
+		
+		List<T> result = new ArrayList<T>(list.size());
+		for (int i = 0; i < list.size(); i++)
+			if (pred.test(list.get(i)))
+				result.add(list.get(i));
+		return result;
+		
+	}
+	
+}