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关于java的取整/和取余%

金穗_ec4b 2022-09-05 阅读 163


double a=10;
double b=5;
double i = (a - b)/2;
System.out.println(i);

输出:2.5


int a=10;
int b=5;
double i =(double ) (a - b)/2;
System.out.println(i);

输出:2.5


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