单项选择题
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.
相关考题
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单项选择题
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. -
单项选择题
public class Threads3 implements Runnable { public void run() { System.out.print(”running”); } public static void main(String[] args) { Thread t = new Thread(new Threads3()); t.run(); t.run(); t.start(); } } What is the result?()
A. Compilation fails.
B. An exception is thrown at runtime.
C. The code executes and prints “running”.
D. The code executes and prints “runningrunning”.
E. The code executes and prints “runningrunningrunning”. -
多项选择题
WhichtwocodefragmentswillexecutethemethoddoStuff()inaseparatethread?()
A. new Thread() { public void run() { doStuff(); } }
B. new Thread() { public void start() { doStuff(); } }
C. new Thread() { public void start() { doStuff(); } } .run();
D. new Thread() { public void run() { doStuff(); } } .start();
E. new Thread(new Runnable() { public void run() { doStuff(); } } ).run();
F. new Thread(new Runnable() { public void run() { doStuff(); } }).start();
