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.
单项选择题 float f[][][] = new float[3][][]; float f0 = 1.0f; float[][] farray = new float[1][1]; What is valid?()
单项选择题 int x = 1, y =6; while (y--) { x++; } System.out.println(“x =” + x + “y =” +y); What is the result?()
单项选择题 Whatallowstheprogrammertodestroyanobjectx?()