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1:
result=1;
for(i=5;i<=100;i=i+5)
result=result+i;
2:
result=0;
for(i=0;i<=10;i++)
result=result+i*i;
其他部分就不用了吧,初学的用eclips吧,能够直接运行程序,还能进行调试,但运行速度较慢.
public class datafetch {
public static final int STARTDATA = 1;
public static final int ENDDATA = 100;
public static void main(String[] args){
int sumvaluefirst = 0;
int sumvaluesec = 0;
if (STARTDATA < ENDDATA){
for (int i = STARTDATA;i<=ENDDATA;i++){
sumvaluefirst = sumvaluefirst + i*5;
sumvaluesec = sumvaluesec + i*i;
}
System.out.println("sumvaluefirst===="+sumvaluefirst);
System.out.println("sumvaluesec===="+sumvaluesec);
}else{
System.out.println("input error");
}
}
}
1
result = 1;
for(int i=1;i<=20;i++)
result = result+i*5;
2
result=0;
for(int i=1;i<=10;i++)
result=result+i*i;