public String[] split(String regex, int limit)java
limit n 大于0,则pattern(模式)应用n - 1 次 关于String.split(String regex, int limit)String s = “boo:and:foo” 关于String.split(String regex, int limit)s.split(“:”,2) 关于String.split(String regex, int limit)//result is { “boo”, “and:foo” } limit n 小于0,则pattern(模式)应用无限次 关于String.split(String regex, int limit)String s = “boo:and:foo” 关于String.split(String regex, int limit)s.split(“:”,-2) 关于String.split(String regex, int limit)//result is { “boo”, “and”, “foo” } limit n 等于0,则pattern(模式)应用无限次而且省略末尾的空字串 关于String.split(String regex, int limit)String s = “boo:and:foo” 关于String.split(String regex, int limit)s.split(“o”, -2) //result is { “b”, “”, “and:f”, “”, “” } s.split(“o”, 0) //result is { “b”, “”, “and:f” } 例子:string “boo:and:foo” Regex Limit Result 2 { “boo”, “and:foo” } 5 { “boo”, “and”, “foo” } -2 { “boo”, “and”, “foo” } o 5 { “b”, “”, “:and:f”, “”, “” } o -2 { “b”, “”, “:and:f”, “”, “” } o 0 { “b”, “”, “:and:f” }