Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    /**
     * <p>
     * Checks if a String is whitespace, empty ("") or null.
     * </p>
     * <p>
     * <pre>
     *   StringUtils.isBlank(null)                = true
     *   StringUtils.isBlank(&quot;&quot;)        = true
     *   StringUtils.isBlank(&quot; &quot;)       = true
     *   StringUtils.isBlank(&quot;bob&quot;)     = false
     *   StringUtils.isBlank(&quot;  bob  &quot;) = false
     * </pre>
     *
     * @param str the String to check, may be null
     * @return <code>true</code> if the String is null, empty or whitespace
     */
    public static boolean isBlank(String str) {
        int strLen;
        if (str == null || (strLen = str.length()) == 0) {
            return true;
        }
        for (int i = 0; i < strLen; i++) {
            if ((!Character.isWhitespace(str.charAt(i)))) {
                return false;
            }
        }
        return true;
    }
}