单项选择题
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”
相关考题
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单项选择题
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. -
多项选择题
Whichtwocandirectlycauseathreadtostopexecuting？（）
A. Exiting from a synchronized block.
B. Calling the wait method on an object.
C. Calling the notify method on an object.
D. Calling the notifyAll method on an object.
E. Calling the setPriority method on a thread object. -
单项选择题
1. public class ForBar { 2. public static void main（String []args） { 3. int i = 0， j = 5； 4. tp： for （；；） { 5. i ++； 6. for（；；） 7. if（i > --j） break tp； 8. } 9. system.out.printIn（“i = ” + i + “， j = “+ j）； 10. } 11. } What is the result？（）
A. The program runs and prints “i=1， j=0”
B. The program runs and prints “i=1， j=4”
C. The program runs and prints “i=3， j=4”
D. The program runs and prints “i=3， j=0”
E. An error at line 4 causes compilation to fail.
F. An error at line 7 causes compilation to fail.
