Build an array from list of arrays - Android java.lang

Android examples for java.lang:array union merge

  1. HOME
  2. Android
  3. java.lang
  4. array union merge

Description

Build an array from list of arrays

Demo Code

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

public class Main{


    public static String[] buildArray(String[]... arrays) {
        int length = 0;
        for (String[] array : arrays) {
            length += array.length;//from  www . ja  va 2 s.c om
        }
        String[] newArray = new String[length];
        int offset = 0;
        for (String[] array : arrays) {
            System.arraycopy(array, 0, newArray, offset, array.length);
            offset += array.length;
        }
        return newArray;
    }

}

Related Tutorials