多选题public class TestFive {  private int x;  public void foo() {  int current = x;  x = current + 1;  }  public void go() {  for(int i=0;i5;i++) {  new Thread() {  public void run() {  foo();  System.out.print(x + “, “);  } }.start();  }}}  Which two changes, taken together, would guarantee the output: 1, 2, 3, 4, 5, ?()AMove the line 12 print statement into the foo() method.BChange line 7 to public synchronized void go() {.CChange the variable declaration on line 3 to private volatile int x;.DWrap the code inside the foo() method with a synchronized( this ) block.EWrap the for loop code inside the go() method with a synchronized block synchronized(this) { // for loop code here }.

多选题
public class TestFive {  private int x;  public void foo() {  int current = x;  x = current + 1;  }  public void go() {  for(int i=0;i<5;i++) {  new Thread() {  public void run() {  foo();  System.out.print(x + “, “);  } }.start();  }}}  Which two changes, taken together, would guarantee the output: 1, 2, 3, 4, 5, ?()
A

Move the line 12 print statement into the foo() method.

B

Change line 7 to public synchronized void go() {.

C

Change the variable declaration on line 3 to private volatile int x;.

D

Wrap the code inside the foo() method with a synchronized( this ) block.

E

Wrap the for loop code inside the go() method with a synchronized block synchronized(this) { // for loop code here }.


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