staic 静态块怎么用啊??
static{
public static String ss="aaaa";
System.out.println(ss);
}
public class test1 {
public static void main (String[]args) {
String s = new String ("Hello");
modify(s);
System.out.println(s);
// test aaa=new test();
}
public static void modify (String s) {
s += "world!";
System.out.println(s);
}
}
怎吗可以让static静态块自动运行