source&result .............\20ng-train-stemmed.txt .............\k_0.txt .............\k_1.txt .............\src .............\...\kmeans_cosineSimilarity .............\...\.......................\Document.java .............\...\.......................\ExcuteMain.java .............\...\.......................\Kmeans.java .............\...\.......................\OperateOfFile.java .............\...\.......................\Word.java