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public class Foo implements Runnable (  public void run (Thread t) {  system.out.printIn(“Running.”);  }  public static void main (String[] args)  {  new thread (new Foo()).start();  } )   What is the result?()      

  • A、 An exception is thrown.
  • B、 The program exists without printing anything.
  • C、 An error at line 1 causes compilation to fail.
  • D、 An error at line 2 causes the compilation to fail.
  • E、 “Running” is printed and the program exits.

参考答案

更多 “ public class Foo implements Runnable (  public void run (Thread t) {  system.out.printIn(“Running.”);  }  public static void main (String[] args)  {  new thread (new Foo()).start();  } )   What is the result?()      A、 An exception is thrown.B、 The program exists without printing anything.C、 An error at line 1 causes compilation to fail.D、 An error at line 2 causes the compilation to fail.E、 “Running” is printed and the program exits.” 相关考题
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考题 单选题public class Threads4 {  public static void main (String[] args) {  new Threads4().go();  }  public void go() {  Runnable r = new Runnable() { public void run() {  System.out.print(”foo”);  }  };  Thread t = new Thread(r);  t.start();  t.start();  }  }  What is the result?()A  Compilation fails.B  An exception is thrown at runtime.C  The code executes normally and prints „foo”.D  The code executes normally, but nothing is printed.

考题 单选题public class Threads5 {  public static void main (String[] args) {  new Thread(new Runnable() {  public void run() {  System.out.print(”bar”);  } }).start();  }  }  What is the result?()A  Compilation fails.B  An exception is thrown at runtime.C  The code executes normally and prints “bar”.D  The code executes normally, but nothing prints.

考题 单选题2. public class Foo implements Runnable (  3. public void run (Thread t) {  4. system.out.printIn(“Running.”);  5. }  6. public static void main (String[] args)  {  7. new thread (new Foo()).start(); 8. )  9. )   What is the result?()A  An exception is thrown.B  The program exists without printing anything.C  An error at line 1 causes compilation to fail.D  An error at line 6 causes the compilation to fail.E  “Running” is printed and the program exits.

考题 单选题public class Foo implements Runnable (  public void run (Thread t) {   system.out.printIn(“Running.”);   }   public static void main (String args) {   new thread (new Foo()).start();   }   )   What is the result?()A  An exception is thrown.B  The program exists without printing anything.C  An error at line 1 causes compilation to fail.D  An error at line 6 causes the compilation to fail.E  “Running” is printed and the program exits.

考题 多选题class Order implements Runnable {  public void run() {  try { Thread.sleep(2000); } catch (Exception e) { }  System.out.print("in ");  }  public static void main(String [] args) {  Thread t = new Thread(new Order());  t.start();  System.out.print("pre ");  try { t.join(); } catch (Exception e) { }  System.out.print("post ");  } }  可产生哪两项结果?()Ain preBpre inCin pre postDpre in post

考题 单选题public class Test {  public static void main (String [] args)  {  string foo = “blue”;  string bar = foo;  foo = “green”;  System.out.printIn(bar);  }  }   What is the result?()A  An exception is thrown.B  The code will not compile.C  The program prints “null”D  The program prints “blue”E  The program prints “green”