Java 19-方法 参数

 

1、参数列表和返回值

public static void function(int num){//形参
    System.out.println("传入的参数是："+num);
}
public static void main(String[] args) {
    function(3);//实参
}

 

public static void function3(int[] scores){
    int sum = 0;
    for (int x:scores){
        sum = sum+x;
    }
    double avg = sum*1.0/(scores.length);
    System.out.println(avg);
}

public static void main(String[] args) {
    int [] ss = {89,90,91,82,98};
    function3(ss);
}