单选题 在下列源代码文件Test.java中,哪个选项是正确的类定义? {{U}} {{/U}}
  • 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 Ti,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; } }
【正确答案】 B
【答案解析】