java_函数手册_String_1.2_codePointBefore_提取前一个索引字符代码点

package calssString;

public class codePointBefore___1_3 {
    public static void main(String []args) {

        String strCom = "I LIKE JAVA";
        int strLower = strCom.codePointBefore(8);
        System.out.println(strLower);

        strCom = "I LIKE J爱VA";
        strLower = strCom.codePointBefore(8);
        System.out.println(strLower);

        strCom = "I LIKE J1VA";
        strLower = strCom.codePointBefore(8);
        System.out.println(strLower);
    }
}