下列程序中()【代码】是错误的。 public class TestValue { int x = 100; 【代码1】 static long y = 200; 【代码2】 public void f() { y = 300; 【代码3】 } public static void g() { x = -23; 【代码4】 } }A.【代码1】B.【代码2】C.【代码3】D.【代码4】

下列程序中()【代码】是错误的。 public class TestValue { int x = 100; 【代码1】 static long y = 200; 【代码2】 public void f() { y = 300; 【代码3】 } public static void g() { x = -23; 【代码4】 } }

A.【代码1】

B.【代码2】

C.【代码3】

D.【代码4】


参考答案和解析
BCDE

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