int sum=age1+age2+age3+age4;
double avg=sum/4;
int minus=age1-age2;
int newAge=(--age1);
System.out.println("年龄总和："+sum);
System.out.println("平均年龄："+avg);
System.out.println("年龄差值："+minus);
System.out.println("自减后的年龄："+newAge);
double avg=sum/4;
int minus=age1-age2;
int newAge=(--age1);
System.out.println("年龄总和："+sum);
System.out.println("平均年龄："+avg);
System.out.println("年龄差值："+minus);
System.out.println("自减后的年龄："+newAge);
2020-01-11
public class HelloWorld{
public static void main(String[] args) {
double avg1=78.5;
int rise=5;
double avg2=avg1+rise;
System.out.println("考试平均分："+avg1);
System.out.println("调整后的平均分："+avg2);
}
}
public static void main(String[] args) {
double avg1=78.5;
int rise=5;
double avg2=avg1+rise;
System.out.println("考试平均分："+avg1);
System.out.println("调整后的平均分："+avg2);
}
}
2020-01-11