ハッシュマップでコンマを取り除く

私はJavaのHashmapでキー値のペアを持っています。私は次のようにMapをトラバースしています。ハッシュマップでコンマを取り除く

ArrayList<String> mysection = new ArrayList<String>(); 
    ArrayList<String> temp = new ArrayList<String>(); 

    Iterator it = Map.entrySet().iterator(); 

    while (it.hasNext()){ 
     Map.Entry pairs = (Map.Entry)it.next();     
     System.out.println(" = " + pairs.getValue());     

     mysection.add(pairs.getKey().toString()); 
     temp.add(pairs.getValue().toString()); 

     it.remove(); // avoids a ConcurrentModificationException   

    }

これは良いようですが、ループは一度実行され、キーに関連付けられた値の長い文字列を作成します。私はそのようにしたくない。私は各値をArrayListに格納したいが、それはこのように起こっていない。すべての値は、最初のインデックス自体に格納されます。

二番目に分岐しても、私は適切な方法を見つけることができません。最初に私は文字列を "、"演算子で分割することを考えましたが、文字列自体に複数の "、"が含まれていました

第1質問に対して特に何をすべきかを提案してください。

おかげ

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は、出力のイメージは次のとおりです。 enter image description here