计算两个整数的百分比结果

public String getPercentResult(int a,int b) {

String result = "0.00%";

if (b==0) {

return result;

}

float c=(float)a/b;

NumberFormat percentInstance = NumberFormat.getPercentInstance();

percentInstance.setMinimumFractionDigits(2);

result = percentInstance.format(c);

System.out.println("a/b="+result);

return result;

}