implemented index is empty to index
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					@ -116,7 +116,7 @@ public class TextOutput {
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     */
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					     */
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    public void indexOutput(ArrayList<String> index) {
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					    public void indexOutput(ArrayList<String> index) {
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        if(index.size() == 0) {
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					        if(index.size() == 0) {
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            System.out.println("index empty");
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					            userInfoOutput("index empty");
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        }
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					        }
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        else {
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					        else {
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            for (String word : index) {
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					            for (String word : index) {
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