Perhaps the most important consideration related to achieving maximum value from toString() is to provide implementations of them. Although the root of all Java class hierarchies, Object, does provide ...

In this little article, we will see how to get the string representation(tostring) of an object cautiously, that means avoiding NullPointerException. Getting the ...

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ぼーっと、こんなことやっちゃったので戒めとして…。 Object obj = "オブジェクト"; String str = (String)obj; のようにキャストすることも可能だが、キャストは型の互換性が確認されていないと実行時に ClassCastException を引き起こす可能性がある。そのため、obj ...

public static void main(String[] args) throws UnsupportedEncodingException { byte[] bytes = "test test test".getBytes("utf-16le"); System.out.printf(Native.toString ...