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Editorial Team
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Asked: 2026-05-27T15:46:09+00:00

When I create this String : private String chars = " `~1!2@3#4$5%6^7&8*9(0)-_=+qQwWeErRtTyYuUiIoOpP[{]}\|aAsSdDfFgGhHjJkKlL;:’"zZxXcCvVbBnNmM,<.>/?"; Eclipse tells

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When I create this String:

private String chars = " `~1!2@3#4$5%6^7&8*9(0)-_=+qQwWeErRtTyYuUiIoOpP[{]}\|aAsSdDfFgGhHjJkKlL;:'"zZxXcCvVbBnNmM,<.>/?";

Eclipse tells me:

Invalid escape sequence (valid ones are  \b  \t  \n  \f  \r  \"  \'  \\ )

How do I fix this?

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1 Answer

  1. Editorial Team

    The \ is an escape character. You’re basically escaping | which doesn’t need to be escaped at all. If you want to represent an \ in String, then you need to let it escape itself.

    private String chars = " `~1!2@3#4$5%6^7&8*9(0)-_=+qQwWeErRtTyYuUiIoOpP[{]}\\|aAsSdDfFgGhHjJkKlL;:'\"zZxXcCvVbBnNmM,<.>/?";

    Please note that the " does need to be escaped, otherwise the string value ends too early and the code still won’t compile due to all the odd characters thereafter.

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