//使用一个循环，累加循环变量即可
int[] Day1={31,28,31,30,31,30,31,31,30,31,30,31};
int sum = 0;
for(int i : Day1){
sum += i;
}
System.out.println(sum);
int[] Day1={31,28,31,30,31,30,31,31,30,31,30,31};
int sum = 0;
for(int i : Day1){
sum += i;
}
System.out.println(sum);
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第1个回答 2012-03-01
public class Test2 {
public static void main(String[] args) {
int []Day1={31,28,31,30,31,30,31,31,30,31,30,31};
int sum = 0;
for(int i = 0; i < Day1.length;i++){
sum = sum + Day1[i];
}
System.out.println(sum);
}
}本回答被提问者采纳
public static void main(String[] args) {
int []Day1={31,28,31,30,31,30,31,31,30,31,30,31};
int sum = 0;
for(int i = 0; i < Day1.length;i++){
sum = sum + Day1[i];
}
System.out.println(sum);
}
}本回答被提问者采纳
第2个回答 2012-03-01
public static void main(String[] args) throws Exception{
int []Day1={31,28,31,30,31,30,31,31,30,31,30,31};
int sum = 0;
for(int a:Day1){
sum+=a;
}
System.out.print(sum);
}
int []Day1={31,28,31,30,31,30,31,31,30,31,30,31};
int sum = 0;
for(int a:Day1){
sum+=a;
}
System.out.print(sum);
}
第3个回答 2012-03-01
int []Day1={31,28,31,30,31,30,31,31,30,31,30,31};
int p=0;
for(Integer c:Day1)
p+=c;
System.out.print(p);
int p=0;
for(Integer c:Day1)
p+=c;
System.out.print(p);
第4个回答 2012-03-01
for(int i=1;i<Day.length;i++){
Day[0]+=Day[i];
}
System.out.println(Day[0]);
Day[0]+=Day[i];
}
System.out.println(Day[0]);
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