?? student1.java
字號:
class Student{
int a;
int b;
Student (int x,int y){
a=x;
b=y;
}
}
public class Student1 extends Student{
int c;
Student1(int m,int n,int z){
super(m,n);
c=a+b+z;
}
public static void main (String arg[]){
Student1 s1=new Student1(3,4,5);
System.out.println(s1.c);
}
}
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