在Java报价 2 在我们的格式化方法 的printf 和 格式 和 2 该方法具有类似的功能.
随着 1 变量可以以不同的方式与它被格式化. 首席执行官

System.out.format("The value of " + "the float variable is " +
     "%f, while the value of the " + "integer variable is %d, " +
     "and the string is %s", floatVar, intVar, stringVar); 

int i = 461012;
System.out.format("The value of i is: %d%n", i);

另一件事是，你可以根据法国系统打印格式, 分离的整数部分和实数的十进制格式的小数部分 Locale.FRANCE. 首席执行官:

System.out.format(Locale.FRANCE,
    "The value of the float " + "variable is %f, while the " +
    "value of the integer variable " + "is %d, and the string is %s%n", 
    floatVar, intVar, stringVar); 

我有一个表格式:

你可以运行一个简单的程序:

import java.util.Calendar;
import java.util.Locale;

public class FormattingNumericPrintOutput {
    
    public static void main(String[] args) {
      long n = 461012;
      System.out.format("%d%n", n);      //  -->  "461012"
      System.out.format("%08d%n", n);    //  -->  "00461012"
      System.out.format("%+8d%n", n);    //  -->  " +461012"
      System.out.format("%,8d%n", n);    // -->  " 461,012"
      System.out.format("%+,8d%n%n", n); //  -->  "+461,012"
      
      double pi = Math.PI;

      System.out.format("%f%n", pi);       // -->  "3.141593"
      System.out.format("%.3f%n", pi);     // -->  "3.142"
      System.out.format("%10.3f%n", pi);   // -->  "     3.142"
      System.out.format("%-10.3f%n", pi);  // -->  "3.142"
      System.out.format(Locale.FRANCE, "%-10.4f%n%n", pi); // -->  "3,1416" //in theo hệ thống Pháp

      Calendar c = Calendar.getInstance(); //lấy thời gian hiện hành
      
      System.out.format("%tB %te, %tY%n ", c, c, c); // -->  "July 20, 2013"
      System.out.format("%tl:%tM %tp%n", c, c, c);  // -->  " 2:51 pm"
      System.out.format("%tD%n", c);    // -->  "07/20/13"
    }
}