Java入门-关于字符串分割的两种方法

核心提示：方法1:采用String的split，验证代码如下:import java.util.Arrays;public class TestSplit { public static void main(String[] args) { String orignString = new String("5,8,7

方法1:采用String的split，验证代码如下:
import java.util.Arrays;
public class TestSplit {
 public static void main(String[] args) {
  String orignString = new String("5,8,7,4,3,9,1");
  String[] testString = orignString.split(",");
  int[] test = { 0, 0, 0, 0, 0, 0, 0 };
  //String to int
  for (int i = 0; i < testString.length; i++) {
　 test[i] = Integer.parseInt(testString[i]);
  }
  //sort
  Arrays.sort(test);
  //asc sort
  for (int j = 0; j < test.length; j++) {
　 System.out.PRintln(test[j]);
  }
  System.out.println("next ");
//  desc
　　 for (int i = (test.length - 1); i >= 0; i--) {
　　  System.out.println(test[i]);
　　 }
 }
}
方法2:采用StringTokenizer

import java.util.Arrays;
import java.util.StringTokenizer;
public class SplitStringTest {
 public static void main(String[] args) {
  String s = new String("5,8,7,4,3,9,1"); 
  int length = s.length();
  //split　 s with ","
  StringTokenizer commaToker = new StringTokenizer(s, ",");
  String[] result = new String[commaToker.countTokens()];
  int k = 0;
  while (commaToker.hasMoreTokens()) {
　 result[k] = commaToker.nextToken();
　 k++;
  }
  int[] a = new int[result.length];
  for (int i = 0; i < result.length; i++) {
　 a[i] = Integer.parseInt(result[i]);
  }
  //sort
  Arrays.sort(a);
  //asc sort
  for (int j = 0; j < result.length; j++) {
　 System.out.println(a[j]);
  }
 }
}