sum 這里加上類型為什么會(huì)報(bào)錯(cuò)?
?sum = age1 +age2+age3+age4;
double avg = sum / 4;
int minus =age1 - age2;
int newAge =--age1;
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?sum = age1 +age2+age3+age4;
double avg = sum / 4;
int minus =age1 - age2;
int newAge =--age1;
舉報(bào)
2017-05-26
2017-05-26
public class HelloWorld{
? ? public static void main(String[] args) {
int age1=24;
int age2=18;
int age3=36;
int age4=27;
int sum;
? ? sum = age1 +age2+age3+age4;
double avg = sum / 4;
int minus =age1 - age2;
int newAge =--age1;
? ?System.out.println("年齡總和："+sum);
? ? System.out.println("平均年齡："+avg);
System.out.println("年齡差值："+minus);
System.out.println("自減后的年齡："+newAge);
}
}
2017-05-26
你的完整代碼呢？