Programmatically format the java code using java

Question

I would like to format strings which contains codes like:

 "function() { for(i=0;i<n;i++){ return i; }}"

The point is to put new lines to each ; except in the for loop, so the formatted output should be something like this:

function() {
   for(i=0;i<n;i++){
    return i;
  } 
 }

Is there any written function for this, or I have to loop through the whole string?

IDE eclipse > format ? Also, you are also adding a new line after { and } in your sample... Please provide a minimal reproducible example — AxelH
– AxelH, Commented Dec 4, 2017 at 13:26

Sasikumar Murugesan · Accepted Answer · 2017-12-05 12:14:22Z

3

You have to use google-java-format-1.5.jar and google-java-format-1.5-all-deps.jar

and see the below example code

public class Main {
   public static void main(String[] args) {
      Formatter formatter = new Formatter();
      try {
        System.out.println(formatter.formatSource("public class Test{public static void main(String[] args) {String s;}}"));
      } catch (FormatterException e) {
        e.printStackTrace();
    }
 }

}

and output will be

public class Test {
  public static void main(String[] args) {
     String s;
  }
}

Sample working code

Hope this would helps to you

edited Dec 5, 2017 at 12:14

answered Dec 4, 2017 at 13:28

Sasikumar Murugesan

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5 Comments

AxelH Over a year ago

Don't post links only, an answer should include an explanation and the interesting content. See How to Answer

Sasikumar Murugesan Over a year ago

added the example please check it

AxelH Over a year ago

Better but... Don't post your code in an image. Copy paste it using the { } button. It allow search engine to use the text to be referenced.

stjimmy Over a year ago

How can I implement this to android, using android studio?

Sasikumar Murugesan Over a year ago

Same way as how you are importing/linking jar

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