Java String format() 方法示例.

public class HelloWorld {

   public static void main(String []args) {

      String name = "Hello World";

      String s1 = String.format("name %s", name);

      String s2 = String.format("value %f",32.33434);

      String s3 = String.format("value %32.12f",32.33434);



      System.out.print(s1);

      System.out.print("\n");

      System.out.print(s2);

      System.out.print("\n");

      System.out.print(s3);

      System.out.print("\n");

   }

}