出自:国家开放大学面向对象程序设计
class ABC {
String name;
double price;
public ABC(String na, double pr) {name=na; price=pr;}
public int compareTo(ABC x) {
if(name.compareTo(x.name)>0) return 1;
if(name.compareTo(x.name)<0) return -1;
else return 0;
}
}
public class XXK5 {
public static void main(String[] args) {
String []s={"apple", "pear", "tangerme", "banana", "grape"};
double []d={3.8, 2.5, 3.2, 4.3, 5.2};
ABC []ar=new ABC[s.length];
int i,k=0;
for(i=0; i<ar.length; i++)
ar[i]=new ABC(s[i],d[i]);
for(i=1; i<ar.length; i++)
if(ar[i].compareTo(ar[k])>0) k=i;
System.out.println(ar[k].name+" "+ar[k].price);
}
}
【A.】tangerme 3.2
【B.】tangerme 3.3
class ABC {
String name;
double price;
public ABC(String na, double pr) {name=na; price=pr;}
public int compareTo(ABC x) {
if(price>x.price) return 1;
if(price<x.price) return -1;
else return 0;
}
}
public class XXK5 {
public static void main(String[] args) {
String []s={"apple", "pear", "tangerme", "banana", "grape"};
double []d={3.8, 2.5, 3.2, 4.3, 5.2};
ABC []ar=new ABC[s.length];
int i,k=0;
for(i=0; i<ar.length; i++)
ar[i]=new ABC(s[i],d[i]);
for(i=1; i<ar.length; i++)
if(ar[i].compareTo(ar[k])>0) k=i;
System.out.println(ar[k].name+" "+ar[k].price);
}
}
【A.】grape 5.2
【B.】grape 5.3