Formatting strings in java

Question

I want to print status messages into Console.

   System.out.format("%-60s%10s\n", "Status 1", "[Success]");
            System.out.format("%-60s%10s\n", "Status 2", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2 and some text", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2", "[Success]");
            System.out.format("%-60s%10s\n", "Status 2 and some very long text", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2", "[Success]");
            System.out.format("%-60s%10s\n", "Status 2 and some very very very long text", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2", "[Success]");
            System.out.format("%-60s%10s\n", "Status 2", "[Failed]");

But as you can see the second column messages are not formatted properly.

Status 1                                                     [Success]
Status 2                                                      [Failed]
Status 2                                                      [Failed]
Status 2 and some text                                        [Failed]
Status 2                                                      [Failed]
Status 2                                                     [Success]
Status 2 and some very long text                              [Failed]
Status 2                                                     [Success]
Status 2 and some very very very long text                    [Failed]
Status 2                                                     [Success]
Status 2                                                      [Failed]

I want to print the messages like this:

Status 1                                                      [Success]
Status 2                                                      [Failed]
Status 2                                                      [Failed]
Status 2 and some text                                        [Failed]
Status 2                                                      [Failed]
Status 2                                                      [Success]
Status 2 and some very long text                              [Failed]
Status 2                                                      [Success]
Status 2 and some very very very long text                    [Failed]
Status 2                                                      [Success]
Status 2                                                      [Failed]

How I can do this?

As a side note: it would be better to use %n instead of \n in the format string so that you get a newline sequence appropriate to the platform. — Ted Hopp
– Ted Hopp, Commented Dec 29, 2013 at 16:37

9000 · Accepted Answer · 2013-12-29 12:27:20Z

2

Why not add "-" to make the last field left-justified, as the first field? I suppose "%-60s%-10s\n" would work.

answered Dec 29, 2013 at 12:27

9000

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Andrew Barber · Accepted Answer · 2014-02-05 21:25:04Z

0

You Can try this code

  System.out.format("%-60s%.10s\n", "Status 1", "[Success]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2 and some text", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Success]");
    System.out.format("%-60s%.10s\n", "Status 2 and some very long text", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Success]");
    System.out.format("%-60s%.10s\n", "Status 2 and some very very very long text", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Success]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Failed]");

edited Feb 5, 2014 at 21:25

Andrew Barber

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answered Dec 29, 2013 at 16:33

programsji.com

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1 Comment

Pshemo Over a year ago

%.10s will let you print max 10 characters from passed String so maybe better idea would be just removing .10 and using simple %s. But in case OP will want to add some other informations after Success/Failed column it is better to make sure that this column has fixed size. In case we want to print string value justified left we should add - before column length.

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