package hike.base;

/**
 * @author hike
 * @version 1.0
 * @since 1.8
 */

public class Doc {
    String name;

    /**
     *
     * @param name
     * @return
     */
    public String test(String name) {
        return name;
    }
}

Javac -encoding UTF-8 -charset UTF-8 xxx.java   (图片中charset前面少了一个 '-')