Java FileWriter Write saveTreeStructuredGroupList(ArrayList> treeStructuredGroupList, String filePath)

Description

save Tree Structured Group List

License

Apache License

Declaration

public static <T> void saveTreeStructuredGroupList(ArrayList<ArrayList<T>> treeStructuredGroupList,
            String filePath) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.BufferedWriter;

import java.io.FileWriter;
import java.io.IOException;

import java.io.PrintWriter;
import java.util.ArrayList;

public class Main {
    public static <T> void saveTreeStructuredGroupList(ArrayList<ArrayList<T>> treeStructuredGroupList,
            String filePath) {/*from w  w  w. ja v  a  2 s. c o  m*/

        PrintWriter pw = null;
        try {
            pw = new PrintWriter(new BufferedWriter(new FileWriter(filePath)), true);
        } catch (IOException e) {
            e.printStackTrace();
            System.exit(1);
        }
        for (ArrayList<T> list : treeStructuredGroupList) {
            StringBuilder sb = new StringBuilder(10);
            for (T element : list) {
                sb.append(element);
                sb.append("\t");
            }
            pw.println(sb.toString().trim());
        }
        pw.close();

    }

    public static void exit(int status) {
        System.exit(status);
    }
}

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