パブリッククラスHexcolor{
public static void main(String[] args) {
String a="0x5b9f18";
String hexColor = String.format("#%06X", a);
System.out.println(hexColor);
}
}
エラーメッセージ
スレッド"main"の例外java.util.IllegalFormatConversionException:x!= java.lang.String at java.util.Formatter $ FormatSpecifier.failConversion(Unknown Source)at java.util.Formatter $ FormatSpecifier.printInteger(Unknown Source)at java .util.Formatter $ FormatSpecifier.print(Unknown Source)at java.util.Formatter.format(Unknown Source)at java.util.Formatter.format(Unknown Source)at java.lang.String.format(Unknown Source)at Hexcolor .main(Hexcolor.java:6)