1、字符串测试
/**
* Created by Panda on 2018/5/15.
*/
public class Test111 {
public static void main(String[] args) {
String names="a|b|c";
String[] ret=names.split("|");
for (String s:ret) {
System.out.print(s); //a|b|c
}
System.out.println();
System.out.println(ret.length); //5
String[] ret1=names.split("\\|");
for (String s1:ret1) {
System.out.print(s1); // abc
}
System.out.println();
System.out.println(ret1.length); //3
String string="abcabc";
string.replaceAll("b","a");
System.out.println(string); //abcabc
string=string.replace("b","a");
System.out.println(string);//aacaac
}
}