public class X i_睦霖题库

单项选择题 public class X implements Runnable （ private int x； private int y； public static void main（String [] args）（ X that = new X（）；（new Thread（that）） . start（）；（new Thread（that）） . start（）；） public synchronized void run（）（ for （；；）（ x++； y++； System.out.printIn（“x = “ + x + “， y = “ + y）；））） What is the result？（）: A、 An error at line 11 causes compilation to fail.; B、 Errors at lines 7 and 8 cause compilation to fail.; C、 The program prints pairs of values for x and y that might not always be the same on the same line （for example， “x=2， y=1”）; D、 The program prints pairs of values for x and y that are always the same on the same line （for example， “x=1， y=1”. In addition， each value appears twice （for example， “x=1， y=1” followed by “x=1， y=1”）; E、 The program prints pairs of values for x and y that are always the same on the same line （for example， “x=1， y=1”. In addition， each value appears twice （for example， “x=1， y=1” followed by “x=2s， y=2”）

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