java-可变参数

//可变参数,必须定义在参数列表的最后

class VarParaDemo

{

public static void main(String [] args)

{

show("abc", "def",
"chm");

show("ada");

System.out.println(getSum(1,2,3,4));

System.out.println(getSum(1,4));

}

public static void show(String ... str)

{

for (int x = 0; x
< str.length ; x++)

{

System.out.println(str[x]);

}

}

public static int getSum(int a, int ...
para)

{

int sum = 0 ;

a = 10;

for (int x = 0; x
< para.length; x++)

{

sum = sum +
para[x];

}

return a + sum;

}

}