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单选题
public class WhileFoo {  public static void main (String []args)   {  int x= 1, y = 6;  while (y--)  {x--;}  system.out.printIn(“x=” + x “y =” + y);  }  }   What is the result?()
A

 The output is x = 6 y = 0

B

 The output is x = 7 y = 0

C

 The output is x = 6 y = -1

D

 The output is x = 7 y = -1

E

 Compilation will fail.


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考题 1. public class X implements Runnable(  2. private int x;  3. private int y;  4.    5. public static void main(String[]args)  6. X that = new X();  7. (new Thread(that)).start();  8. (new Thread(that)).start();  9. )  10.    11. public void run()  (  12. for (;;)  (  13. x++; 14. y++;  15. System.out.printIn(“x=” + x + “, y = ” + y);  16.     ) 17. ) What is the result?()A、 Errors at lines 7 and 8 cause compilation to fail.B、 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”).C、 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”).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 only for once (for example, “x=1, y=1” followed by “x=2, y=2”).

考题 class DemoApp{  public static void main(String[] args){  int x = 5; int y = ++x + x++; S ystem.out.println(“y=”+y+”,x=”+x);  }  }  以上程序运行后的输出结果是哪项?() A、y=10,x=5B、y=11,x=6C、y=12,x=7D、y=11,x=7

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考题 class Foo {  public static void main(String [] args) {  int x = 0;  int y = 4;  for(int z=0; z 〈 3; z++, x++) {  if(x 〉 1  ++y 〈 10) y++;  }  System.out.println(y);  }  }  结果是什么?()  A、6B、7C、8D、10

考题 public class IfTest (  public static void main(string[]args) {  int x = 3;  int y = 1;  if (x = y)  system.out.printIn(“Not equal”);  else  system.out.printIn(“Equal”);  }  )   What is the result?()      A、 The output is “Equal”B、 The output in “Not Equal”C、 An error at line 5 causes compilation to fall.D、 The program executes but does not print a message.

考题 public class IfTest (   public static void main(stringargs) {   int x = 3;  int y = 1;   if (x = y)   system.out.printIn(“Not equal”);   else   system.out.printIn(“Equal”);   }   )   What is the result?()A、 The output is “Equal”B、 The output in “Not Equal”C、 An error at line 5 causes compilation to fall.D、 The program executes but does not print a message.

考题 int x = 1, y =6;  while (y--) {  x++;  }  System.out.println(“x =” + x + “y =” +y); What is the result?()  A、 x = 6 y = 0B、 x = 7 y = 0C、 x = 6 y = -1D、 x = 7 y = -1E、 Compilation fails.

考题 单选题public class IfTest (  public static void main(string[]args) {  int x = 3;  int y = 1;  if (x = y)  system.out.printIn(“Not equal”);  else  system.out.printIn(“Equal”);  }  )   What is the result?()A  The output is “Equal”B  The output in “Not Equal”C  An error at line 5 causes compilation to fall.D  The program executes but does not print a message.

考题 单选题public class IfTest (   public static void main(stringargs) {   int x = 3;  int y = 1;   if (x = y)   system.out.printIn(“Not equal”);   else   system.out.printIn(“Equal”);   }   )   What is the result?()A  The output is “Equal”B  The output in “Not Equal”C  An error at line 5 causes compilation to fall.D  The program executes but does not print a message.

考题 单选题int x = 1, y =6;  while (y--) {  x++;  }  System.out.println(“x =” + x + “y =” +y); What is the result?()A  x = 6 y = 0B  x = 7 y = 0C  x = 6 y = -1D  x = 7 y = -1E  Compilation fails.

考题 单选题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”)

考题 单选题class DemoApp{  public static void main(String[] args){  int x = 5; int y = ++x + x++; S ystem.out.println(“y=”+y+”,x=”+x);  }  }  以上程序运行后的输出结果是哪项?()A y=10,x=5B y=11,x=6C y=12,x=7D y=11,x=7

考题 单选题class Foo {  public static void main(String [] args) {  int x = 0;  int y = 4;  for(int z=0; z 〈 3; z++, x++) {  if(x 〉 1  ++y 〈 10) y++;  }  System.out.println(y);  }  }  结果是什么?()A 6B 7C 8D 10

考题 单选题What is the result?()A  The output is X = 6 y = 0B  The output is x = 7 y = 0C  The output is x = 6 y = -1D  The output is x = 7 y = -1E  Compilation will fail.