Import upperbound=newbound; } public double residualcapacityto(int vertex) {
import java.util.*; class FlowNetworkGraph {private int vertexCount; private int edgeCount; private ArrayList > graph; public FlowNetworkGraph{this.vertexCount = vertexCount; graph = new ArrayList >; for);}}public void addEdge{int v = edge.from; int w = edge.to; graph.get.add; graph.get.add; edgeCount++;}public void addVertexPlaceholder{//When a new vertex needs to be appended to the graphgraph.add); vertexCount++;}public int vertexCount{return vertexCount;}public int edgeCount{return edgeCount;}public →