Question

How to print formatted double number in Java

Answer 1

package javaapplication1;

public class JavaApplication1 {

    public static void main(String[] args) {

        double pi = Math.PI;

        System.out.format("%f\n", pi);       
        System.out.format("%.2f\n", pi);     
        System.out.format("%.3f\n", pi);     
        System.out.format("%9.4f\n", pi);  
        System.out.format("%-9.4f\n", pi); 
    }
}


/*
run:

3.141593
3.14
3.142
   3.1416
3.1416   

*/

 

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