Java sqrt()
方法返回引數的平方根。
語法
double sqrt(double d)
d
- 任何原始資料型別。public class Test {
public static void main(String args[]) {
double x = 11.635;
double y = 2.76;
System.out.printf("The value of e is %.4f%n", Math.E);
System.out.printf("sqrt(%.3f) is %.3f%n", x, Math.sqrt(x));
}
}
執行上面範例程式碼,得到以下結果:
The value of e is 2.7183
sqrt(11.635) is 3.411