单项选择题
for (int i =0; i < 4; i +=2) {
System.out.print(i + “”);
}
System.out.println(i);
What is the result?()
A. 0 2 4
B. 0 2 4 5
C. 0 1 2 3 4
D. Compilation fails.
E. An exception is thrown at runtime.
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相关考题
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单项选择题
float f[][][] = new float[3][][]; float f0 = 1.0f; float[][] farray = new float[1][1]; What is valid?()
A. f[0] = f0;
B. f[0] = farray;
C. f[0] = farray[0];
D. f[0] = farray[0][0]; -
单项选择题
int x = 1, y =6; while (y--) { x++; } System.out.println(“x =” + x + “y =” +y); What is the result?()
A. x = 6 y = 0
B. x = 7 y = 0
C. x = 6 y = -1
D. x = 7 y = -1
E. Compilation fails. -
单项选择题
Whatallowstheprogrammertodestroyanobjectx?()
A. x.delete()
B. x.finalize()
C. Runtime.getRuntime().gc()
D. Explicitly setting the object’s reference to null.
E. Ensuring there are no references to the object.
F. Only the garbage collection system can destroy an object.
