public static int sum() {
int sum = score1 + score2;
return sum;
}
public static void main(String[] args) {
// 调用静态方法sum并接收返回值
int allScore = HelloWorld.sum();
public class Java2110 {
String name;
String sex;
static int age;
public Java2110(){
name = "tom";
System.out.println("通过构造方法初始化name");
}
