下列关于创建报表的方法中,错误的是( )。
A. public class test{ public int x=0; public test(int x ) { this.x=x; } }
B. public class Test { public int x=0; public Test(int x ) { this.x=x; } }
C. public class Test extends T1 T2 { public int x=0; public Test(int x){ this.x=x; } }
D. protected class Test extends T2 { public int x=0; public Test(int x) { this.x=x; } }