我正在与 Liang 一起通过 Intro to Java Programming 9e 学习 Java。为什么必须有数字[0],如双重结果=数字[0]?我的意思是在括号中,为什么它必须是0?
public class VarArgsDemo {
public static void main(String[] args) {
printMax(34, 3, 3, 2, 56.5);
printMax(new double[] {1, 2, 3});
}
public static void printMax(double... numbers) {
if (numbers.length == 0) {
System.out.println("No arguments passed");
return;
}
double result = numbers[0];
for (int i = 1; i < numbers.length; i++)
if (numbers[i] > result)
result = numbers[i];
System.out.println("The max value is " + result);
}
}