download:Python+人工智能就业班v5.0
public class ChuanDiZhi{
int x = 3;
public static void main(String args[]){
ChuanDiZhi p = new ChuanDiZhi();
p.x = 9;
show(p);
System.out.println(p.x);
}
public static void show(ChuanDiZhi p){
p.x = 4;
}
}
有无返回值
有void修饰，无返回值
int------------------>return int 类型的值
string-------------->return String类型的值
数据类型-------->return 当前数据类型值
返回类、汇合、流等
