Convert string lower Case and handle null value - Android java.lang

Android examples for java.lang:String Case

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Description

Convert string lower Case and handle null value

Demo Code

import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.security.SecureRandom;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Locale;

public class Main{

    /**//from   w w w .jav  a2  s  .  c  o m
     * 
     * <pre>
     * StringUtil.lowerCase(null)  = null
     * StringUtil.lowerCase("")    = ""
     * StringUtil.lowerCase("aBc") = "abc"
     * </pre>
     * 
     */
    public static String lowerCase(String str) {
        if (str == null) {
            return null;
        }

        return str.toLowerCase();
    }

}

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