【技術書メモ】【パーフェクトJava④】String⇔StringBuilderの変換
StringからStringBuilderへ
String str = "abc"; StringBuilder sb = new StringBuilder(str);
StringBuilderからStringへ
StringBuilder sb = new StringBuilder("abc"); String str = sb.toString();
String str = "abc"; StringBuilder sb = new StringBuilder(str);
StringBuilder sb = new StringBuilder("abc"); String str = sb.toString();