Java List to Array toStringArray(List list)

Description

to String Array

License

Apache License

Declaration

public static String[] toStringArray(List<Integer> list) 

Method Source Code

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

import java.util.List;

public class Main {
    public static String[] toStringArray(List<Integer> list) {
        if (isEmpty(list)) {
            return null;
        }/*from   w w  w  .j  a  va 2s . com*/
        String[] fields = new String[list.size()];
        int index = 0;
        for (Integer num : list) {
            fields[index] = Integer.toString(num);
            index++;
        }
        return fields;
    }

    public static boolean isEmpty(List<?> list) {
        if (list == null || list.isEmpty()) {
            return true;
        } else {
            return false;
        }
    }

    public static int size(Object[] list) {
        if (list == null) {
            return 0;
        } else {
            return list.length;
        }
    }

    public static int size(List<?> list) {
        if (list == null) {
            return 0;
        } else {
            return list.size();
        }
    }
}

Related

1. toObjectArrayNative(List L)
2. toStringArray(final List stringList)
3. toStringArray(final List list)
4. toStringArray(List l)
5. toStringArray(List list)
6. toStringArray(List