Java设置千分位分隔符和保留n位小数

Posted 2022-10-31 Alkaid:

public class main 
	public static void main(String[] args) 
         float x = 18000;
         System.out.println(String.format("%.2f", x));//18000.00
         System.out.println(String.format("%,f", x));//18,000.000000
         System.out.println(String.format("%,.2f", x));//18,000.00