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单选题
public void test（int x） { int odd = x%2； if （odd） { System.out.println（“odd）； } else { System.out.println（“even”）； } } Which statement is true？（）
A
Compilation fails.
B
“odd” will always be output.
C
“even” will always be output.
D
“odd” will be output for odd values of x， and “even” for even values.
E
“even” will be output for add values of x， and “odd” for even values.
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更多 “单选题public void test（int x） { int odd = x%2； if （odd） { System.out.println（“odd）； } else { System.out.println（“even”）； } } Which statement is true？（）A Compilation fails.B “odd” will always be output.C “even” will always be output.D “odd” will be output for odd values of x， and “even” for even values.E “even” will be output for add values of x， and “odd” for even values.” 相关考题
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下面程序段的输出结果是（ ）。 public class Test{ public static void main(String args[]){ int X，y； x=(int)Math．sqrt(5)／2+(int)Math．random*5／2； y=(int)Math．sqrt(3)／2+(int)Math．random*3／2； if(xv) System．OUt．println("xy")； elseif(x= =y) System．out．println("x=Y")； else System．out．println("xy")： } }A.xyB.x=YC.xyD.编译错误
考题
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考题
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考题
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考题
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考题
函数ReadDat()实现从文件IN.dat中读取1000个十进制整数到数组xx中；请编写函数 Compute()分别计算出数组xx中奇数的个数odd、偶数的个数even，以及所有数的平均值aver和方差totfc的值。最后调用函数WriteDat()，把结果输出到OUT. dat文件中。计算方差的公式如下：原始数据文件存放的格式是：每行存放10个数(每个数均大于0且小于等于2000)，并用逗号隔开。注意：部分源程序已经给出。请勿改动主函数main()、读函数ReadDat()和输出数据函数 WriteDat()的内容。include ＜stdio. h＞include ＜stdlib. h＞include ＜string. h＞define MAX 1000int xx[MAX], odd = 0, even = 0;double aver = 0.0, totfc = 0.0;void WriteDat(void);int ReadDat(void){ FILE *fp;int i, j;if ((fp = fopen("IN. dat", "r")) == NULL)return 1;for (i=0; i＜100; i++){ for (j=0; j＜10; j++)fscanf(fp, "%d,", xx[i*10+j]);fscanf(fp, "\n");if (feof(fp))break;}fclose(fp);return 0;}void Compute(void){}void main (){ int i;for (i=0; i＜MAX; i++)xx[i] = 0;if (ReadDat()){printf (" 数据文件 IN. dar 不能打开! \007\n");return;}Compute ( );printf("odd=%d\neven=%d\naver=%f\ntotfc=%f\n", odd, even, aver, totfc);WriteDat ();}void WriteDat(void){ FILE *fp;fp = fopen("OUT.dat", "w");fprintf(fp, "%d\n%d\n%f\n%f\n", odd, even, aver, totfc);fclose (fp);}
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考题
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考题
What is odd is that they have perhaps most benefited from ambition — if not always their own then that of their parents and grandparents.
考题
public void test（int x） { int odd = x%2； if （odd） { System.out.println（“odd）； } else { System.out.println（“even”）； } } Which statement is true？（） A、Compilation fails.B、 “odd” will always be output.C、 “even” will always be output.D、 “odd” will be output for odd values of x， and “even” for even values.E、 “even” will be output for add values of x， and “odd” for even values.
考题
package test1； public class Test1 { static int x = 42； } package test2； public class Test2 extends test1.Test1 { public static void main（String[] args） { System.out.println（“x = “ + x）； } } What is the result？（） A、 x = 0B、 x = 42C、 Compilation fails because of an error in line 2 of class Test2.D、 Compilation fails because of an error in line 3 of class Test1.E、 Compilation fails because of an error in line 4 of class Test2.
考题
public class Test { public static void main（String[] args） { int x = 0； assert （x 0） ？ “assertion failed” ： “assertion passed”； System.out.println（“Finished”）； } } What is the result？（） A、 finishedB、 Compilation fails.C、 An AssertionError is thrown and finished is output.D、 An AssertionError is thrown with the message “assertion failed”.E、 An AssertionError is thrown with the message “assertion passed”.
考题
单选题If a and b are integers and the sum of ab and b is even, which of the following could be true?Ⅰ. a and b are both odd.Ⅱ. a is even and b is odd.Ⅲ. a is odd and b is even.A
Ⅰ onlyB
ⅡonlyC
Ⅲ onlyD
Ⅰ and ⅡE
Ⅰand Ⅲ
考题
单选题a and b are positive, a is even and b is odd. Which of the following must also be odd?A
abB
a/bC
a + 2bD
baE
(ab) a
考题
单选题Set X = even integers and Set Y = odd integers. Therefore X ∩ Y = ______.A
prime numbersB
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empty setD
composite numbersE
whole numbers
考题
单选题When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.A
the shape of an unlighted buoyB
the light color of a lighted buoyC
the color of the topmost bandD
whether the number is odd or even
考题
单选题Lifeboats are numbered（）.Odd numbers to starboard and even numbers to port.A
from forward to aftB
from aft to forwardC
at master's optionD
as per owner's instruction
考题
单选题If m and n are positive integers and 3m+n-1=2m+2n, which of the following must be true?I. m and n are consecutive integers.II. m is even.III. n is odd.A
NoneB
I onlyC
II onlyD
III onlyE
I, II, and III
考题
单选题public void test（int x） { int odd = x%2； if （odd） { System.out.println（“odd）； } else { System.out.println（“even”）； } } Which statement is true？（）A
Compilation fails.B
“odd” will always be output.C
“even” will always be output.D
“odd” will be output for odd values of x， and “even” for even values.E
“even” will be output for add values of x， and “odd” for even values.
考题
单选题public class Test { public static void main（String[] args） { int x = 0； assert （x 0） ？ “assertion failed” ： “assertion passed”； System.out.println（“Finished”）； } } What is the result？（）A
finishedB
Compilation fails.C
An AssertionError is thrown and finished is output.D
An AssertionError is thrown with the message “assertion failed”.E
An AssertionError is thrown with the message “assertion passed”.
考题
问答题4 9 6 2 3 4 7 8 2 1 9 6 4 3 2 Multiply by 7 the number of odd numbers which are immediately followed by an even number in the list above. What is the answer?
考题
单选题x, y, and z are positive integers. Which of the following lists all the possible ways for x + y + z to be an odd number?I. One of the numbers is odd.II. Two of the numbers are odd.III. Three of the numbers are odd.A
IB
I and IIC
I and IIID
II and III
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