From e53cbceadf6ef1673589d070b84ee62e08c90802 Mon Sep 17 00:00:00 2001 From: xiangwb Date: Wed, 13 Dec 2017 15:37:47 +0800 Subject: [PATCH] merge --- boot-service/src/main/java/com/xwbing/demo/StringDemo.java | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/boot-service/src/main/java/com/xwbing/demo/StringDemo.java b/boot-service/src/main/java/com/xwbing/demo/StringDemo.java index 8f8029f..c2a77b8 100644 --- a/boot-service/src/main/java/com/xwbing/demo/StringDemo.java +++ b/boot-service/src/main/java/com/xwbing/demo/StringDemo.java @@ -1,5 +1,6 @@ package com.xwbing.demo; +import java.text.DecimalFormat; import java.text.MessageFormat; import java.util.Scanner; @@ -85,5 +86,9 @@ public class StringDemo { */ System.out.println(String.format("xwbing %s", "项伟兵")); System.out.println(MessageFormat.format("xwbing {0}", "项伟兵")); + //努力拉到需要的位数 + System.out.println(new DecimalFormat("#####.###").format(11.23)); + //不够补0 + System.out.println(new DecimalFormat("0000.000").format(11.23)); } }