写出程序的输出结果class Class1 {private string str = "Class1.str";private int i = 0;st

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写出程序的输出结果

class Class1 {

private string str = "Class1.str";

private int i = 0;

static void StringConvert(string str) {

str = "string being converted.";

}

static void StringConvert(Class1 c) {

c.str = "string being converted.";

}

static void Add(int i) {

i++;

}

static void AddWithRef(ref int i) {

i++;

}

static void Main() {

int i1 = 10;

int i2 = 20;

string str = "str";

Class1 c = new Class1();

Add(i1);

AddWithRef(ref i2);

Add(c.i);

StringConvert(str);

StringConvert(c);

Console.WriteLine(i1);

Console.WriteLine(i2);

Console.WriteLine(c.i);

Console.WriteLine(str);

Console.WriteLine(c.str);

}

}