223 questions
There is a string called 004-034556, separated by '-' string1=004;string2=034556;I want to split it like this. So I want to find '-' and make an exception if there is none, what should I do?
Can getStackTrace()return value be made into String
It's exactly what it says.File is hello C world!hello python world!If I say I have it like thisa[0] = 'hello C world!'a[1] = 'hello python world!'I want to make it come out like thisYo
If there is a string format like January 2, 2010, I want to know how to change it to Date typeI want to split that string into years, months, and days
Is there a method like java's contents or indexOf?I'm going to write it like this.if not somestring.contains (String to Find): continue
I'd like to count how many specific characters appear in the string.What's the easiest way?ex)mystring = aaabccWhen a->3b->1c->2
Someone asked me a question, and when I initialized a large amount of int,What's the difference if you have?
If you have the string a, b in Java, you can connect ita+=ba.concat(b)There's a way like this. Are these two the same? I have the code for the concat method, but there is no code for + operator. Pleas...
In Java, the hash code for the String object is s[0]*31n-1 + s[1]*31n-2 + ... + s[n-1] is calculated like this. To illustrate the above equation, s[i] is the ith character in the string, n is the leng...
On 64-bit operating systems, double represents up to +-253. Until 53I'm using double because I think the size of the number I'm expressing is about unsigned 32-bit Integer. The problem is that even if...
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