java-字符串的遍历和字符串数组的遍历

package com.day7.one;

public class Demo {

  /**
  * @param args
  */
  public static void main(String[] args) {
    String s="abcde";
    for(int i=0;i<s.length();i++)
    {
      char c=s.charAt(i);
      System.out.print(c+" ");//输出a b c d e,获取字符串
    }


    String[] s1={"a","b","c","d","e"};
    for(int i=0;i<s1.length;i++)
    {
      System.out.print(s1[i]+" ");//输出a b c d e,获取字符串数组
    }
    String[] s2={"abcde"};
    System.out.println(s2.length);//输出1,只是长度为1的数组,并不是5
    for(int i=0;i<s2.length;i++)
    {
      System.out.print(s2[i]+" k");//输出abcde k
    }
  }

}

posted @ 2017-12-25 21:39  简简单单zjl  阅读(71178)  评论(0编辑  收藏  举报