Java – How to convert Array to String

public String arrayToString(String[] array, String delimiter) {
    StringBuilder arTostr = new StringBuilder();
    if (array.length > 0) {
        arTostr.append(array[0]);
        for (int i=1; i<array.length; i++) {
            arTostr.append(delimiter);
            arTostr.append(array[i]);
        }
    }
    return arTostr.toString();
}

public String vectorToString(Vector vector, String delimiter) {
    StringBuilder vcTostr = new StringBuilder();
    if (vector.size() > 0) {
        vcTostr.append(vector.get(0));
        for (int i=1; i<vector.size(); i++) {
            vcTostr.append(delimiter);
            vcTostr.append(vector.get(i));
        }
    }
    return vcTostr.toString();
}

public String arrayListToString(ArrayList arlist, String delimiter) {
    StringBuilder arlstTostr = new StringBuilder();
    if (arlist.size() > 0) {
        arlstTostr.append(arlist.get(0));
        for (int i=1; i<arlist.size(); i++) {
            arlstTostr.append(delimiter);
            arlstTostr.append(arlist.get(i));
        }
    }
    return arlstTostr.toString();
}

import java.util.*;
public class ArrayToString {

    public static String arrayToString(String[] array, String delimiter) {
        StringBuilder arTostr = new StringBuilder();
        if (array.length > 0) {
            arTostr.append(array[0]);
            for (int i=1; i<array.length; i++) {
                arTostr.append(delimiter);
                arTostr.append(array[i]);
            }
        }
        return arTostr.toString();
    }

    public static String vectorToString(Vector vector, String delimiter) {
        StringBuilder vcTostr = new StringBuilder();
        if (vector.size() > 0) {
            vcTostr.append(vector.get(0));
            for (int i=1; i<vector.size(); i++) {
                vcTostr.append(delimiter);
                vcTostr.append(vector.get(i));
            }
        }
        return vcTostr.toString();
    }

    public static String arrayListToString(ArrayList arlist, String delimiter) {
        StringBuilder arlstTostr = new StringBuilder();
        if (arlist.size() > 0) {
            arlstTostr.append(arlist.get(0));
            for (int i=1; i<arlist.size(); i++) {
                arlstTostr.append(delimiter);
                arlstTostr.append(arlist.get(i));
            }
        }
        return arlstTostr.toString();
    }

    public static void main(String[] args) {
        String[] arr=new String[5];

        arr[0]="A";
        arr[1]="B";
        arr[2]="C";
        arr[3]="D";
        arr[4]="E";

        String arstr=arrayToString(arr,",");
        System.out.println("Array to String :"+arstr);

        Vector<String> vc=new Vector<String>();

        vc.add("A");
        vc.add("B");
        vc.add("C");
        vc.add("D");
        vc.add("E");

        String vcstr=vectorToString(vc,",");
        System.out.println("Vector to String :"+vcstr);

        ArrayList<String> arList=new ArrayList<String>();

        arList.add("A");
        arList.add("B");
        arList.add("C");
        arList.add("D");
        arList.add("E");

        String arrstr=arrayListToString(arList,",");
        System.out.println("ArrayList to String :"+arrstr);
    }
}

Array to String :A,B,C,D,E
Vector to String :A,B,C,D,E
ArrayList to String :A,B,C,D,E