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[英]Get the length of longest substring with distinct characters in any given input string
[英]Group string characters into a given length
我编写了一个简单的代码,将某个字符串分组为N个长度,然后将其打印到控制台上,在该控制台中,字符组除以“ |” 字符。 有没有更简单的方法可以做到这一点? 顺便说一句,这是我的代码。
String d = "stackoverflow.com";
char[] x = d.toCharArray();
StringBuilder ad = new StringBuilder();
int r = 0;
int f = 6;
/*
f = 1; 2 characters by group
f = 2; 3 characters by group
...
f = n; (n+1) characters by group
*/
for (char a : x) {
if (r == f) {
ad.append(a);
System.out.print(ad+"|");
ad.delete(0, 1);
} else {
ad.append(a);
r++;
}
}
输出为(f = 6)
stackov|tackove|ackover|ckoverf|koverfl|overflo|verflow|erflow.|rflow.c|flow.co|low.com|
如果将System.out
包装在PrintWriter
,则可以使用PrintWriter.write
的重载来打印字符串的一部分:
PrintWriter pw = new PrintWriter(System.out, true);
for (int i = 0; i <= d.length() - f; ++i) {
pw.write(d, i, f);
pw.print('|');
}
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