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isNullOrEmptyぽいもの

Last updated at Posted at 2013-02-02

.NET FrameworkにあるやつをJavaで実装。
文字列がnullか空文字かを調べるメソッド。

Util.java
public static boolean isNullOrEmpty(String str){
    return (str == null || str.length() == 0)
}
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