單項(xiàng)選擇題

public class Foo {
public void main （String args） {
system.out.printIn（“Hello World.”）；
}
}
What is the result？（）

A. An exception is thrown.
B. The code does no compile.
C. “Hello World.” Is printed to the terminal.
D. The program exits without printing anything.

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單項(xiàng)選擇題

1. public class Test {
2. public static void main （String args） {
3. unsigned byte b = 0；
4. b--；
5.
6. }
7. }
What is the value of b at line 5？（）

A. -1
B. 255
C. 127
D. Compilation will fail.
E. Compilation will succeed but the program will throw an exception at line 4.

單項(xiàng)選擇題

What is the numerical range of a char？（）

A. 0 . . . 32767
B. 0 . . . 65535
C. –256 . . . 255
D. –32768 . . . 32767
E. Range is platform dependent.