how to round a double to 1 decimal in java code example

Example 1: double round java integer

int a = (int) Math.round(doubleVar);

Example 2: round off java 2 decimal places

class round{
    public static void main(String args[]){

    double a = 123.13698;
    double roundOff = Math.round(a*100)/100;

    System.out.println(roundOff);
}
}

Example 3: java round to 2 decimal

class round{
    public static void main(String args[]){

      double a = 123.13698;
      double roundOff = Math.round(a*100)/100;

      System.out.println(roundOff);
	}
}

Example 4: java round 2 decimal places

Math.round(input * 100.0) / 100.0;

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Javascript Example

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