单选题package test1; public class Test1 { static int x = 42; } package test2; public class Test2 extends test1.Test1 { public static void main(String[] args) { System.out.println(“x = “ + x); } } What is the result?()Ax = 0Bx = 42CCompilation fails
题目
单选题
package test1; public class Test1 { static int x = 42; } package test2; public class Test2 extends test1.Test1 { public static void main(String[] args) { System.out.println(“x = “ + x); } } What is the result?()
C
Compilation fails because of an error in line 2 of class Test2.
D
Compilation fails because of an error in line 3 of class Test1.
E
Compilation fails because of an error in line 4 of class Test2.