Format a message using MessageFormat format in Java

Question

I have stored some messages in a resource bundle  I m trying to format these messages as follows   import java text MessageFormat   String text   MessageFormat format  You re about to delete  0  rows    5   System out println text     Assume that the first parameter i e the actual message is stored in a property file which is somehow retrieved   The second parameter i e 5 is a dynamic value and should be placed in the placeholder  0  which doesn t happen  The next line prints      Youre about to delete  0  rows    The placeholder is not replaced with the actual parameter     It is the apostrophe here - You re  I have tried to escape it as usual like You   re though it didn t work  What changes are needed to make it work

User · Accepted Answer

Add an extra apostrophe   to the MessageFormat pattern String to ensure the   character is displayed  String text         java text MessageFormat format  You  re about to delete  0  rows    5                                                An apostrophe  aka single quote  in a MessageFormat pattern starts a quoted string and is not interpreted on its own  From the javadoc     A single quote itself must be represented by doubled single quotes    throughout a String    The String You   re is equivalent to adding a backslash character to the String so the only difference will be that You re will be produced rather than Youre   before double quote solution    applied

User · Answer

Just be sure you have used double apostrophe        String text   java text MessageFormat format  You  re about to delete  0  rows    5   System out println text     Edit      Within a String  a pair of single quotes can be used to quote any arbitrary characters except single quotes  For example  pattern string    0    represents string   0    not a FormatElement             Any unmatched quote is treated as closed at the end of the given pattern  For example  pattern string    0   is treated as pattern    0       Source http   docs oracle com javase 7 docs api java text MessageFormat html

User · Answer

For everyone that has Android problems in the string xml  use      instead of single quote

User · Answer

Here is a method that does not require editing the code and works regardless of the number of characters  String text      java text MessageFormat format       quot You re about to delete  0  rows  quot  replaceAll  quot   quot    quot    quot    5

User · Answer

You need to use double apostrophe instead of single in the  You  re   eg   String text   java text MessageFormat format  You  re about to delete  0  rows    5   System out println text

User · Answer

Using an apostrophe      Unicode   u2019  instead of a single quote   fixed the issue without doubling the

[java] Format a message using MessageFormat.format() in Java

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