Random class for Java

inputParsers/Java/src/Edge.java

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+public class Edge {
+
+    private String id;
+    private Vertex vertex1 = new Vertex();
+    private Vertex vertex2 = new Vertex();
+    private int weight;
+
+    public Edge() {
+    }
+
+    public Edge(String id, Vertex vertex1, Vertex vertex2, int weight) {
+        this.id = id;
+        this.vertex1 = vertex1;
+        this.vertex2 = vertex2;
+        this.weight = weight;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public Vertex getVertex1() {
+        return vertex1;
+    }
+
+    public void setVertex1(Vertex vertex1) {
+        this.vertex1 = vertex1;
+    }
+
+    public Vertex getVertex2() {
+        return vertex2;
+    }
+
+    public void setVertex2(Vertex vertex2) {
+        this.vertex2 = vertex2;
+    }
+
+    public int getWeight() {
+        return weight;
+    }
+
+    public void setWeight(int weight) {
+        this.weight = weight;
+    }
+}

inputParsers/Java/src/Graph.java

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+import java.util.ArrayList;
+import java.util.List;
+
+public class Graph {
+
+    private List<Edge> edges = new ArrayList<>();
+    private List<Vertex> vertices = new ArrayList<>();
+
+    public Graph(List<Edge> edges, List<Vertex> vertices) {
+        this.edges = edges;
+        this.vertices = vertices;
+    }
+
+    public List<Edge> getEdges() {
+        return edges;
+    }
+
+    public void setEdges(List<Edge> edges) {
+        this.edges = edges;
+    }
+
+    public List<Vertex> getVertices() {
+        return vertices;
+    }
+
+    public void setVertices(List<Vertex> vertices) {
+        this.vertices = vertices;
+    }
+}

inputParsers/Java/src/Rand.java

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+import java.util.List;
+import java.util.Random;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+
+public class Rand {
+
+    public List<Integer> generateRandomInts(boolean negativeAllowed, int startInclusive, int endInclusive, int limit) {
+
+        List<Integer> intList;
+
+        Random random = new Random(System.currentTimeMillis());
+        intList = random.ints()
+                .map(x -> x % (Math.max(Math.abs(startInclusive), endInclusive)) + 1)
+                .map(x -> negativeAllowed ? x : Math.abs(x))
+                .filter(x -> x >= startInclusive && x <= endInclusive)
+                .boxed()
+                .limit(limit)
+                .collect(Collectors.toList());
+
+        return intList;
+    }
+
+    public List<Integer> generateInts(boolean negativeAllowed, int startInclusive, int endInclusive, int interval) {
+        List<Integer> intList;
+        IntStream intStream;
+
+        intStream = IntStream.range(startInclusive, endInclusive + 1);
+        intList = intStream
+                .map(x -> negativeAllowed ? x : Math.abs(x))
+                .filter(x -> x % interval == 0)
+                .boxed()
+                .collect(Collectors.toList());
+
+        return intList;
+    }
+
+
+    public void printGeneratedInts(List<Integer> integers) {
+
+        for (Integer integer : integers) {
+            System.out.println(integer);
+        }
+    }
+
+    public static void main(String[] args) {
+
+        Rand rand = new Rand();
+
+        List<Integer> randomInts = rand.generateRandomInts(true, 0, 20, 10);
+        rand.printGeneratedInts(randomInts);
+
+        List<Integer> integers = rand.generateInts(false, 0, 20, 5);
+        rand.printGeneratedInts(integers);
+
+    }
+
+}

inputParsers/Java/src/Vertex.java

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+import java.util.ArrayList;
+import java.util.List;
+
+public class Vertex {
+
+    private String id;
+    private Vertex prev = new Vertex();
+    private List<Vertex> adjVertices = new ArrayList<>();
+
+    Vertex() {
+    }
+
+    public Vertex(String id, Vertex prev, List<Vertex> adjVertices) {
+        this.id = id;
+        this.prev = prev;
+        this.adjVertices = adjVertices;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public Vertex getPrev() {
+        return prev;
+    }
+
+    public void setPrev(Vertex prev) {
+        this.prev = prev;
+    }
+
+    public List<Vertex> getAdjVertices() {
+        return adjVertices;
+    }
+
+    public void setAdjVertices(List<Vertex> adjVertices) {
+        this.adjVertices = adjVertices;
+    }
+}