convert arraylist to csv file java
import java.util.ArrayList; import java.io.BufferedWriter; import java.io.FileWriter; import java.io.File; import java.io.IOException; class test { public static void main(String arg[])throws IOException { ArrayList<String> list1 = new ArrayList<>(); list1.add("2212"); list1.add("gmail.com"); ArrayList<String> list2 = new ArrayList<>(); list2.add("192.168.0.175"); list2.add("403"); list2.add("192.168.0.26"); list2.add("1809"); File file = new File("test.csv"); FileWriter fw = new FileWriter(file); BufferedWriter bw = new BufferedWriter(fw); bw.write("Domain,Total"); bw.newLine(); for(int i=0;i<list1.size();i++) { bw.write(list1.get(i+1)+","+list1.get(i++)); bw.newLine(); } bw.write("\nApplication,Total"); bw.newLine(); for(int i=0;i<list2.size();i++) { bw.write(list2.get(i++)+","+list2.get(i)); bw.newLine(); } bw.close(); fw.close(); } }
