下面显示的是什么错误？

Question

public class HelloWorld{    public static void main(String[] args) { final string SEX1="男";        final string SEX2="女"; System.out.println(SEX1); System.out.println(SEX2); }}/data/mfs/usercode/85/1256/AfA7/HelloWorld.java:3: error: cannot find symbol final string SEX1="?"; ^ symbol: class string location: class HelloWorld /data/mfs/usercode/85/1256/AfA7/HelloWorld.java:4: error: cannot find symbol final string SEX2="?"; ^ symbol: class string location: class HelloWorld 2 errors