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單項(xiàng)選擇題

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?() 

A. x = 0
B. x = 42
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.

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