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Editorial Team
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Asked: 2026-05-30T10:36:55+00:00

I have the ungrateful task to build a JSON String in Java, manually, without

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I have the ungrateful task to build a JSON String in Java, manually, without any framework, just a StringBuilder. I know this is bad, but it is only part of a prototype, I will do this better next time.

My question: How can I put the String -> "Some text WITH quotes" <- into a JSON object?

Of course, {"key" : " "Some text WITH quotes" "} is no valid json because of the unescaped quotes.

I think I have to use String.replace here, but by what can I replace the quotes? Same question for the slash “/”. What is the proper replacement?

Thank you

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1 Answer

  1. Editorial Team
    "\"Some text WITH quotes\", slashes: /foo and backslashes \\foo"

    translates to:

    "Some text WITH quotes", slashes: /foo and backslashes \foo

    You can use StringEscapeUtils.escapeJavaScript() in apache-commons Lang 2.6 or StringEscapeUtils.escapeEcmaScript() in 3.4 to do the hard-work of escaping for you.

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