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以下哪个方法可以用来获得进度条的当前进度值?()

  • A、public synchronized int getProgress()
  • B、public synchronized void setIndeterminate (boolean indeterminate)
  • C、public synchronized void setProgress(int progress)
  • D、Public final synchronized void incrementProgressBy(int diff)

参考答案

更多 “以下哪个方法可以用来获得进度条的当前进度值?()A、public synchronized int getProgress()B、public synchronized void setIndeterminate (boolean indeterminate)C、public synchronized void setProgress(int progress)D、Public final synchronized void incrementProgressBy(int diff)” 相关考题
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考题 多选题import java.util.*;  public class NameList {  private List names = new ArrayList();  public synchronized void add(String name) { names.add(name); }  public synchronized void printAll() {  for (int i = 0; i System.out.print(names.get(i) +“ “); }  }  public static void main(String[] args) {  final NameList sl = new NameList();  for(int i=0;iAAn exception may be thrown at runtime.BThe code may run with no output, without exiting.CThe code may rum with output “A B A B C C “, then exit.DThe code may ruin with output “A A A B C A B C C “, then exit.EThe code may rum with output “A B C A B C A B C “, then exit.FThe code may ruin with output “A B C A A B C A B C “, then exit.

考题 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 }.

考题 单选题现有      public class Parentt      public void change (int x){)     )      public class Child extends Parent{     //覆盖父类change方法     }      下列哪个声明是正确的覆盖了父类的change方法?()A   protected void change (int x){}B   public void change(int x,  int y){}C   public void change (int x){}D   public void change (String s){}

考题 单选题以下哪个方法可以用来获得进度条的当前进度值?()A public synchronized int getProgress()B public synchronized void setIndeterminate (boolean indeterminate)C public synchronized void setProgress(int progress)D Public final synchronized void incrementProgressBy(int diff)

考题 单选题class Account {   private int balance;   public void setBalance(int b) { balance = b; }  public int getBalance() { return balance; }   public void clearBalance() { balance = 0; }   }   哪一个改变可以使 Account 类线程安全?()A 在第2行加 synchronized 修饰符。B 在第3行加 synchronized 修饰符。C 在第3行、第4行和第6行加 synchronized 修饰符。D 在第4行、第6行和第8行加 synchronized 修饰符。