java8

<!DOCTYPE html>
<meta charset="utf-8">
<svg width="960" height="2400"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="graphs.js"></script>
<!-- <script>

var svg = d3.select("svg"),
    width = +svg.attr("width"),
    height = +svg.attr("height"),
    g = svg.append("g").attr("transform", "translate(40,0)");

var cluster = d3.cluster()
    .size([height, width - 160]);

var stratify = d3.stratify()
    .parentId(function(d) { return d.name.substring(0, d.name.lastIndexOf(".")); });

d3.csv("java8.csv", function(error, data) {
  if (error) throw error;

var root = stratify(data)
      .sort(function(a, b) { return (a.height - b.height) || a.name.localeCompare(b.name); });

cluster(root);

var link = g.selectAll(".link")
      .data(root.descendants().slice(1))
    .enter().append("path")
      .attr("class", "link")
      .attr("d", function(d) {
        return "M" + d.y + "," + d.x
            + "C" + (d.parent.y + 100) + "," + d.x
            + " " + (d.parent.y + 100) + "," + d.parent.x
            + " " + d.parent.y + "," + d.parent.x;
      });

var node = g.selectAll(".node")
      .data(root.descendants())
    .enter().append("g")
      .attr("class", function(d) { return "node" + (d.children ? " node--internal" : " node--leaf"); })
      .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; })

node.append("circle")
      .attr("r", 2.5);

node.append("text")
      .attr("dy", 3)
      .attr("x", function(d) { return d.children ? -8 : 8; })
      .style("text-anchor", function(d) { return d.children ? "end" : "start"; })
      .text(function(d) { return d.name.substring(d.name.lastIndexOf(".") + 1); });
});

</script> -->
</html>

https://d3js.org/d3.v4.min.js