Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    /**
     * null Object to empty string
     * 
     * <pre>
     * nullStrToEmpty(null) = &quot;&quot;;
     * nullStrToEmpty(&quot;&quot;) = &quot;&quot;;
     * nullStrToEmpty(&quot;aa&quot;) = &quot;aa&quot;;
     * </pre>
     * 
     * @param str
     * @return
     */
    public static String nullStrToEmpty(Object str) {
        return (str == null ? "" : (str instanceof String ? (String) str : str.toString()));
    }
}