單項選擇題

public class Test {
public static void main（String[] args） {
String str = NULL；
System.out.println（str）；
}
}
What is the result？（）

A. NULL
B. Compilation fails.
C. The code runs with no output.
D. An exception is thrown at runtime.

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單項選擇題

public class Test {
private static float[] f = new float[2]；
public static void main（String args[]） {
System.out.println（“f[0] = “ + f[0]）；
}
}
What is the result？（）

A. f[0] = 0
B. f[0] = 0.0
C. Compilation fails.
D. An exception is thrown at runtime.

單項選擇題

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.