src/java.base/share/classes/java/util/regex/Pattern.java
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rev 10552 : 8055723[core]: Replace concat String to append in StringBuilder parameters
Contributed-by: Otavio Santana <otaviojava@java.net>
@@ -1486,14 +1486,14 @@
// Add combined permutations
for(int x=0; x<perms.length; x++) {
String next = base + perms[x];
if (x>0)
- result.append("|"+next);
+ result.append('|').append(next);
next = composeOneStep(next);
if (next != null)
- result.append("|"+produceEquivalentAlternation(next));
+ result.append('|').append(produceEquivalentAlternation(next));
}
return result.toString();
}
/**