File list (Check if you may need any files):
PieChart\.classpath
........\.project
........\.settings
........\.........\org.eclipse.jdt.core.prefs
........\bin
........\...\Bar.class
........\...\bubble$UpdaterThread.class
........\...\bubble.class
........\...\Pie.class
........\...\scatterPlot.class
........\...\tfidf.class
........\Jenis Visualisasi Paper.pptx
........\src
........\...\Bar.java
........\...\bubble.java
........\...\Pie.java
........\...\scatterPlot.java
........\...\tfidf.java