public class StringSplit {
  public static void main(String[] args) {
    String sourceStr = "1,2,3,4,5";
    String[] sourceStrArray = sourceStr.split(",");
    for (int i = 0; i < sourceStrArray.length; i++) {
      System.out.println(sourceStrArray[i]);
    }

    // 最多分割出3个字符串
    int maxSplit = 3;
    sourceStrArray = sourceStr.split(",", maxSplit);
    for (int i = 0; i < sourceStrArray.length; i++) {
      System.out.println(sourceStrArray[i]);
    }
  }
}

1
2
3
4
5
1
2
3,4,5

public class StringSplit {
  public static void main(String[] args) {
    String value = "192.168.128.33";
    // 注意要加\\,要不出不来,yeah
    String[] names = value.split("\\.");
    for (int i = 0; i < names.length; i++) {
      System.out.println(names[i]);
    }
  }
}

public class StringSplit {
  public static void main(String[] args) {
    String ip = "192.168.128.33";
    StringTokenizer token=new StringTokenizer(ip,"."); 
    while(token.hasMoreElements()){ 
     System.out.print(token.nextToken()+" "); 
    } 

  }
}