You also need to convert that string into a number, this can be ... Given this is the number one Google result for format number commas java ... ... <看更多>

This tutorial will show you how to add commas in numbers by using formatting ... Java Strings Tutorial ... ... <看更多>

Similar issues arise when parsing numbers using one of Java's ... to use a Locale that formats uses dots rather than commas as the decimal ... ... <看更多>

Java, 50 chars. String C(double d){return String.format("%,f",d);}. Works as specified in most locales. Does the correct thing in all locales :) Edit:. ... <看更多>