int[] age = new int[4] ;//声明并初始化长度为4的整形数组
//为数组元素赋值
age[0 ] = 18;
age[1 ] = 20;
age[2 ] = 23;
age[ 3] = 17;
Console.WriteLine("四名同学的年龄是:{0}、{1}、{2}、{3}",
age[0 ],age[1 ],age[ 2],age[ 3]);
//为数组元素赋值
age[0 ] = 18;
age[1 ] = 20;
age[2 ] = 23;
age[ 3] = 17;
Console.WriteLine("四名同学的年龄是:{0}、{1}、{2}、{3}",
age[0 ],age[1 ],age[ 2],age[ 3]);
2017-05-07
string[] job ={"关羽","张飞","赵云","马超","黄忠"};
for (int i = 0; i <job.Length ; i++)
{
Console.WriteLine(job[i]);//打印职位
}
for (int i = 0; i <job.Length ; i++)
{
Console.WriteLine(job[i]);//打印职位
}
for(int i=0;i<num.Length;i++)
{
if(num[i]%2==0)
Console.Write(num[i]+",");
}
{
if(num[i]%2==0)
Console.Write(num[i]+",");
}
//请在这里完善代码
string[] name=new string[5]{"关羽,","张飞,","赵云,","马超,","黄忠"};
for(int i=0;i<name.Length;i++)
{
Console.Write(name[i]);
}
string[] name=new string[5]{"关羽,","张飞,","赵云,","马超,","黄忠"};
for(int i=0;i<name.Length;i++)
{
Console.Write(name[i]);
}
顺序:
1.括号();
2.一元运算符:++,--,!;
3.*,/ , %;
4.+,-;
5.>,<,>=,<=;
6.==,!=;
7.&&;
8.||;以上从左至右
9.赋值运算法:=,+=,-=,*=,/=, %=;从右至左
1.括号();
2.一元运算符:++,--,!;
3.*,/ , %;
4.+,-;
5.>,<,>=,<=;
6.==,!=;
7.&&;
8.||;以上从左至右
9.赋值运算法:=,+=,-=,*=,/=, %=;从右至左
2017-05-06
double x = 13.9, y = 24.4;
double sum = x + y;
double avg=sum/2;
Console.WriteLine(avg);
double sum = x + y;
double avg=sum/2;
Console.WriteLine(avg);
2017-05-05
最赞回答 / 一念征途
你好,首先说下,单词是default,不是befault,default英文单词 有“不履行;不到场,缺席;缺乏;系统默认值”的意思。它在switch中 的作用是,如果上面的条件都不符合,就走default中的代码,例如在上面的代码上,依次把job的值与局长、处长、科长 相比较,如果发现job都不符合,就走default后面的语句了。break的作用在switch中是跳出当前的switch判断。后面在讲循环中也会用到break。如果还有不懂得地方,可以继续回复我。如果觉得回答还不错的话,麻烦采纳一下哈!
2017-05-05