String indexOf substring
500 ワード
public class TestString {
public static void main(String[] args) {
String str="abc.de";
int index=str.indexOf(".");
System.out.println(index); //3, 0
System.out.println(str.length());// 6, 1
System.out.println(str.substring(0, index)); //abc,
System.out.println(str.substring(index +1)); //de,
}
}