将字符串里面的连续空格缩减为只有一个空格

详细代码 写道

package com.string;

import java.util.Arrays;

public class DeleteDuplicateSpace
{
public static void main(String[] args)
{
String src = "a b c dd e";
String dsc = src.replaceAll("[ ]+", " ");
System.out.println(dsc);
System.out.println(Arrays.toString(dsc.split(" ")));
}
}