Java 字符串格式化

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");
   }
}