Initial commit

Author: D10f

.gitignore

@@ -0,0 +1 @@
+*.class

Main.java

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+import java.util.List;
+import java.io.IOException;
+
+public class Main {
+
+    public static void main(String[] args) throws IOException {
+
+        State s1 = new State("A", false);
+        State s2 = new State("B", false);
+        State s3 = new State("C", true);
+
+        s1.addTransitionForSymbol("a", s2);
+        s2.addTransitionForSymbol("b", s3);
+        List<State> states = s2.getTransitionsForSymbol("b");
+
+        for (State state : states) {
+            System.out.println(state.getName());
+        }
+    }
+}

State.java

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+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+public class State {
+
+    private String name;
+    private boolean accepting;
+    private HashMap<String, List<State>> states;
+
+    public State(String name, boolean accepting) {
+        this.name = name;
+        this.accepting = accepting;
+        this.states = new HashMap<>();
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public boolean getIsAccepting() {
+        return accepting;
+    }
+
+    public void addTransitionForSymbol(String symbol, State state) {
+
+        List<State> stateArray = states.get(symbol);
+
+        if (stateArray != null) {
+            stateArray.add(state);
+        } else {
+            states.put(symbol, new ArrayList<State>());
+            states.get(symbol).add(state);
+        }
+    }
+
+    public List<State> getTransitionsForSymbol(String symbol) {
+        return states.get(symbol);
+    }
+}