long Array to Json String - Android File Input Output

Android examples for File Input Output:Json String

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Description

long Array to Json String

Demo Code


//package com.java2s;

public class Main {
    static String longArray2Json(final long[] array) {
        if (array.length == 0) {
            return "[]";
        }/*from   w  ww.j ava  2 s  . c om*/
        final StringBuilder sb = new StringBuilder(array.length << 4);
        sb.append('[');
        for (final long o : array) {
            sb.append(Long.toString(o));
            sb.append(',');
        }
        // set last ',' to ']':
        sb.setCharAt(sb.length() - 1, ']');
        return sb.toString();
    }
}

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