fix imports and avoid wildcard import

1 files changed, 13 insertions, 2 deletions

diff --git a/src/com.example.portfolio3/com/example/portfolio3/GraphAlgorithms.java b/src/com.example.portfolio3/com/example/portfolio3/GraphAlgorithms.java
index 3be7c70..01fa57b 100644
--- a/src/com.example.portfolio3/com/example/portfolio3/GraphAlgorithms.java
+++ b/src/com.example.portfolio3/com/example/portfolio3/GraphAlgorithms.java
@@ -2,8 +2,19 @@ package com.example.portfolio3;
 
 // origin: <https://moodle.ruc.dk/course/section.php?id=211877>
 
-import java.io.*;
-import java.util.*;
+import java.io.BufferedReader;
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
 
 /// foo
 public class GraphAlgorithms {