java将多个连续的空格转化成一个空格: System.out.println("a a".replaceAll(" + ", " "));
结果:a a
java将多个连续的空格转化成一个空格: System.out.println("a a".replaceAll(" + ", " "));
结果:a a
转载于:https://www.cnblogs.com/andy-do/p/3208365.html