What is the result?Correct Answers: ()
A. done
B. one two done
C. one two three done
D. one two three two three done
E. Compilation fails.
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What is the result?Correct Answers: ()
A. 0 2 4
B. 0 2 4 5
C. 0 1 2 3 4
D. 编译失败
E. 程序运行时抛出一个异常
哪两个语句能实例化一个数组变量?()Correct Answers: ()
A. int[] ia = new int[15];
B. float fa = new float[20];
C. char[] ca = "Some String";
D. Object oa = new float[20];
E. int ia[][] = {4,5,6}, {1,2,3};
下列哪些属于有机材料?()
A. 水泥
B. 砌块
C. 木材
D. 钢筋
下列哪些属于复合材料()?
A. 混凝土
B. 建筑塑料
C. 建筑胶黏剂
D. PVC钢板