java split()方法

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  • Post category:java


语法

public String[] split(String regex,int limit)

  • regex

    — 正则表达式分隔符。

  • limit

    — 分割的份数。

列:

public class Test {
    public static void main(String args[]) {
        String Str = new String("Welcome-to-W3CSchool.com");

        System.out.println("返回值 :" );
        for (String retval: Str.split("-", 2)){
            System.out.println(retval);
        }
        System.out.println("");
        System.out.println("返回值 :" );
        for (String retval: Str.split("-", 3)){
            System.out.println(retval);
        }
        System.out.println("");
        System.out.println("返回值 :" );
        for (String retval: Str.split("-", 0)){
            System.out.println(retval);
        }
        System.out.println("");
        System.out.println("返回值 :" );
        for (String retval: Str.split("-")){
            System.out.println(retval);
        }
    }
}

列:

public static void main(String args[]){
      
      String str = "www-youj-com";
      String[] temp;
      String delimeter = "-";  // 指定分割字符
      temp = str.split(delimeter); // 分割字符串
      // 普通 for 循环
      for(int i =0; i < temp.length ; i++){
         System.out.println(temp[i]);
         System.out.println("");
      }

      System.out.println("------java for each循环输出的方法-----");
      String str1 = "www.w3cschool.cn";
      String[] temp1;
      String delimeter1 = "\\.";  // 指定分割字符, . 号需要转义
      temp1 = str1.split(delimeter1); // 分割字符串
      for(String x :  temp1){
         System.out.println(x);
         System.out.println("");
      }
   }