Given:11. int i = 0, j = 1;12. if ((i++ == 1)&& (j++ == 2)) {13. i = 42;14. }15.System.out.println("i = " + i + ", j = " + j); A: i = 1, j = 2 B: i = 1, j = 1 C: i = 42, j = 2 D: i = 42, j = 1 E: Compilation fails.
Given:11. int i = 0, j = 1;12. if ((i++ == 1)&& (j++ == 2)) {13. i = 42;14. }15.System.out.println("i = " + i + ", j = " + j); A: i = 1, j = 2 B: i = 1, j = 1 C: i = 42, j = 2 D: i = 42, j = 1 E: Compilation fails.
42•(a-b)0=______.
42•(a-b)0=______.
1/2,1/6,1/12,1/20,1/30,() A: 1/42 B: 1/40 C: 11/42 D: 1/50
1/2,1/6,1/12,1/20,1/30,() A: 1/42 B: 1/40 C: 11/42 D: 1/50
在PostgreSQL中,执行以下运算,并观察结果: (1)(100-25)/3、35%12 (2)35>34、40<=42 (3) ’y’ AND ‘1’、‘1’AND ‘0’
在PostgreSQL中,执行以下运算,并观察结果: (1)(100-25)/3、35%12 (2)35>34、40<=42 (3) ’y’ AND ‘1’、‘1’AND ‘0’
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[imgwidth="284"height="42"title=""style=...space="0"hspace="0">
以下HDB3码中,哪些可以确定其中有误码 A: +1 0 0 0 -1 0 +1 -1 +1 0 0 +1 0 -1 +1 -1 0 0 -1 +1…… B: +1 0 0 -1 +1 0 0 0 +1 -1 0 0 -1 0 0 0 +1 0 0 +1 -1…… C: -1 0 0 0 -1 0 +1 0 0 0 +1 -1 +1 0 0 +1 0 0 -1 +1…… D: -1 0 +1 0 0 0 -1 +1 0 0 0 +1 -1 +1 -1 0 0 -1 +1 0 -1……
以下HDB3码中,哪些可以确定其中有误码 A: +1 0 0 0 -1 0 +1 -1 +1 0 0 +1 0 -1 +1 -1 0 0 -1 +1…… B: +1 0 0 -1 +1 0 0 0 +1 -1 0 0 -1 0 0 0 +1 0 0 +1 -1…… C: -1 0 0 0 -1 0 +1 0 0 0 +1 -1 +1 0 0 +1 0 0 -1 +1…… D: -1 0 +1 0 0 0 -1 +1 0 0 0 +1 -1 +1 -1 0 0 -1 +1 0 -1……
对HDB3码-1000+100-1000-1+1000+1-1+1-100-1+1-1进行译码,结果是( )。 A: 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 1 B: 1 0 0 0 1 0 0 1 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 1 C: 1 0 1 0 1 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 0 1 1 D: 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 1 1
对HDB3码-1000+100-1000-1+1000+1-1+1-100-1+1-1进行译码,结果是( )。 A: 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 1 B: 1 0 0 0 1 0 0 1 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 1 C: 1 0 1 0 1 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 0 1 1 D: 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 1 1
真菌的最适生长温度为()。 A: 0~10℃ B: 10~20℃ C: 22~36℃ D: 37~42℃ E: >42℃
真菌的最适生长温度为()。 A: 0~10℃ B: 10~20℃ C: 22~36℃ D: 37~42℃ E: >42℃
编写程序,创建下列10*10的数组,数组边界全为1,里面全为0。 [[1 1 1 1 1 1 1 1 1 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 1 1 1 1 1 1 1 1 1]]
编写程序,创建下列10*10的数组,数组边界全为1,里面全为0。 [[1 1 1 1 1 1 1 1 1 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 1 1 1 1 1 1 1 1 1]]
编写程序,创建下列10*10的数组,数组边界全为1,里面全为0。 [[1 1 1 1 1 1 1 1 1 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 1 1 1 1 1 1 1 1 1]] 提示:可以先创建全为0或者全为1的数组,再通过索引和切片机制进行修改
编写程序,创建下列10*10的数组,数组边界全为1,里面全为0。 [[1 1 1 1 1 1 1 1 1 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 0 0 0 0 0 0 0 0 1] [1 1 1 1 1 1 1 1 1 1]] 提示:可以先创建全为0或者全为1的数组,再通过索引和切片机制进行修改