Java Array Join join(String delimiter, String[] s)

Here you can find the source of join(String delimiter, String[] s)

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Description

join

License

Apache License

Declaration 

public static String join(String delimiter, String[] s)

Method Source Code


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

import java.util.Arrays;

public class Main {
    public static String join(String delimiter, String[] s) {

        int ls = s.length;
        switch (ls) {
        case 0:// w w  w  . java2 s  .  co  m
            return "";
        case 1:
            return s[0];
        case 2:
            return s[0].concat(delimiter).concat(s[1]);
        default:
            int l1 = ls / 2;
            String[] s1 = Arrays.copyOfRange(s, 0, l1);
            String[] s2 = Arrays.copyOfRange(s, l1, ls);
            return join(delimiter, s1).concat(delimiter).concat(join(delimiter, s2));
        }
    }
}

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