Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.ArrayList;

public class Main {
    /**
     * gets the first value on the first AL that is equal to another in the second
     * 
     * @param alFirst
     * @param alSecond
     * @return the string value equal between the two AL, or null if such value doesn't exist
     */
    public static String getFirstSameValue(ArrayList<String> alFirst, ArrayList<String> alSecond) {

        // cycles of the first AL
        for (int j = 0; j < alFirst.size(); j++) {

            // gets the j-th value
            String strValue = alFirst.get(j);

            // cycles of the second AL
            for (int i = 0; i < alSecond.size(); i++) {

                // if the two values are equal, return the value
                if (strValue.equals(alSecond.get(i)))
                    return strValue;

            }

        }

        // hasn't found nothing, so returns null
        return null;
    }
}