for each遍历 (迭代

for each

for each是for循环的简易版

package day02;
/**
 * 将字符串123,456,789,012根据","拆分，并输出拆分后的每一项
 * @author Bonnie
 *
 */
public class Test02 {
	public static void main(String[] args) {
		String regex = "\\,";
		String str = "123,456,789,012";
		String []ss = str.split(regex);
		for(String s: ss) {
			System.out.println(s);
		}
	}
}

输出结果为:123
      456
      789
      012