Java的可选参数

public class TestAvaParam {
public static void main(String[] args){
printStr(0, 1, 90,3);
}

public static void printStr(int i, int j, int... args){
System.out.println(i);
System.out.println(i);
System.out.println("length = " + args.length);
System.out.println(args[0]);
System.out.println(args[1]);
}
}