Adding whitespace in Java

Question

There is a class trim   to remove white spaces  how about adding padding   Note      is not the solution

User · Accepted Answer

I think you are talking about padding strings with spaces.

One way to do this is with string format codes.

For example, if you want to pad a string to a certain length with spaces, use something like this:

String padded = String.format("%-20s", str);

In a formatter, % introduces a format sequence. The - means that the string will be left-justified (spaces will be added on the right of the string). The 20 means the resulting string will be 20 characters long. The s is the character string format code, and ends the format sequence.

User · Answer

String text    text   text    new String

User · Answer

There s a few approaches for this    Create a char array then use Arrays fill  and finally convert to a String Iterate through a loop adding a space each time Use String format

User · Answer

If you have an Instance of the EditText available at the point in your code where you want add whitespace  then this code below will work  There may be some things to consider  for example the code below may trigger any TextWatcher you have set to this EditText  idk for sure  just saying  but this will work when trying to append blank space like this       hasn t worked   messageInputBox dispatchKeyEvent new KeyEvent 0  0  0  KeyEvent KEYCODE SPACE  0  0  0  0                          KeyEvent KEYCODE ENDCALL

User · Answer

Use the StringUtils class  it also includes null check  StringUtils leftPad String str  int size  StringUtils rightPad String str  int size

[java] Adding whitespace in Java

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