int i = str.length();
while(i-3>0)
{
str.insert(i-3,",");
i=i-3;
}
while(i-3>0)
{
str.insert(i-3,",");
i=i-3;
}
2015-11-13
15: Date now=new Date();
18: System.out.println(now.toString());
27:Date date =sdf.parse(d);
18: System.out.println(now.toString());
27:Date date =sdf.parse(d);
2015-11-12
for (int i = str.length() - 3; i >= 1; i-=3) {
str.insert(i, ",");
}
str.insert(i, ",");
}
2015-11-11
for (char i :s.toCharArray() )
{
// 获取每个字符,判断是否是字符a
if ( i=='a') {
// 累加统计次数
num++;
}
}
{
// 获取每个字符,判断是否是字符a
if ( i=='a') {
// 累加统计次数
num++;
}
}
2015-11-10