8.6 Statements(cont')

王朝other·作者佚名  2006-01-10
窄屏简体版  字體: |||超大  

do statements static void Main() {

string s;

do { s = Console.ReadLine(); }

while (s != "Exit");

}

for statements static void Main(string[] args) {

for (int i = 0; i < args.Length; i++)

Console.WriteLine(args[i]);

}

foreach statements static void Main(string[] args) {

foreach (string s in args)

Console.WriteLine(s);

}

break statements static void Main(string[] args) {

int i = 0;

while (true) {

if (i == args.Length)

break;

Console.WriteLine(args[i++]);

}

}

continue statements static void Main(string[] args) {

int i = 0;

while (true) {

Console.WriteLine(args[i++]);

if (i < args.Length)

continue;

break;

}

}

return statements static int F(int a, int b) {

return a + b;

}

static void Main() {

Console.WriteLine(F(1, 2));

return;

}

throw statements and try

statements

static int F(int a, int b) {

if (b == 0)

throw new Exception("Divide by zero");

return a / b;

}

static void Main() {

try {

Console.WriteLine(F(5, 0));

}

catch(Exception e) {

Console.WriteLine("Error");

}

}

checked and unchecked

statements

static void Main() {

int x = Int32.MaxValue;

Console.WriteLine(x + 1); // Overflow

checked {

Console.WriteLine(x + 1); // Exception

}

unchecked {

Console.WriteLine(x + 1); // Overflow

}

}

lock statements static void Main() {

A a = .;

lock(a) {

a.P = a.P + 1;

}

}

using statements static void Main() {

using (Resource r = new Resource()) {

r.F();

}

}

 
 
 
免责声明:本文为网络用户发布,其观点仅代表作者个人观点,与本站无关,本站仅提供信息存储服务。文中陈述内容未经本站证实,其真实性、完整性、及时性本站不作任何保证或承诺,请读者仅作参考,并请自行核实相关内容。
 
 
© 2005- 王朝網路 版權所有 導航