字符串转数组
- 方法一:直接使用String的 .split()方法:
public class JavaMethodTest {
public static void main(String[] args) {
String a = "9->11->12";
String[] list = a.split("->");
System.out.println(Arrays.toString(list));
}
}
public class JavaMethodTest {
public static void main(String[] args) {
String a = "9->11->12->14";
String[] list = StringUtils.split(a,"->");
System.out.println(Arrays.toString(list));
}
}
数组转字符串
- 方法一:使用(org.apache.commons.lang.StringUtils)的 join() 方法
public class JavaMethodTest {
public static void main(String[] args) {
String a = "9->11->12->14";
String[] list = a.split("->");
System.out.println(Arrays.toString(list));
String b = "";
b = StringUtils.join(list,"?");
System.out.println(b);
}
}