always use brace in for- and if-construct

1 files changed, 10 insertions, 4 deletions

diff --git a/src/com.example.portfolio3/com/example/portfolio3/MatrixGraph.java b/src/com.example.portfolio3/com/example/portfolio3/MatrixGraph.java
index 5a1f327..67c095e 100644
--- a/src/com.example.portfolio3/com/example/portfolio3/MatrixGraph.java
+++ b/src/com.example.portfolio3/com/example/portfolio3/MatrixGraph.java
@@ -37,11 +37,13 @@ public class MatrixGraph extends AbstractGraph {
 	/// @param v  vertex
 	/// @return int
 	private int getIndex(final Vertex v) {
-		if (vertex2index.containsKey(v))
+		if (vertex2index.containsKey(v)) {
 			return vertex2index.get(v);
+		}
 		int index = vertex2index.size();
-		if (index >= index2vertex.length)
+		if (index >= index2vertex.length) {
 			throw new RuntimeException("Too many vertices in graph");
+		}
 		vertex2index.put(v, index);
 		index2vertex[index] = v;
 
@@ -59,7 +61,9 @@ public class MatrixGraph extends AbstractGraph {
 		for (int i = 0; i < numVertex; i++) {
 			for (int j = 0; j < numVertex; j++) {
 				Integer weight = matrix[i][j]; // may be null
-				if (weight == null) continue;
+				if (weight == null) {
+					continue;
+				}
 				edges.add(new Edge(index2vertex[i],index2vertex[j],weight));
 			}
 		}
@@ -73,7 +77,9 @@ public class MatrixGraph extends AbstractGraph {
 		int i = vertex2index.get(v1);
 		for (int j = 0; j < numVertex; j++) {
 			Integer weight = matrix[i][j]; // may be null
-			if (weight == null) continue;
+			if (weight == null) {
+				continue;
+			}
 			edges.add(new Edge(v1,index2vertex[j],weight));
 		}