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Fixed #7. Added support for insert function

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Shekhar Gulati
2016-05-20 19:44:33 +05:30
parent 891389ddfb
commit 994a2a0227
2 changed files with 26 additions and 0 deletions
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src/main/java/strman/Strman.java
+17
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@@ -467,6 +467,7 @@ public abstract class Strman {
/**
* Tests if two Strings are inequal
*
* @param first The first String
* @param second The second String
* @return true if first and second are not equal false otherwise
@@ -475,6 +476,22 @@ public abstract class Strman {
return !Objects.equals(first, second);
}
/**
* Inserts 'substr' into the 'value' at the 'index' provided.
*
* @param value The input String
* @param substr The String to insert
* @param index The index to insert substr
* @return String with substr added
*/
public static String insert(final String value, final String substr, final int index) {
validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
validate(substr, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
if (index > value.length()) {
return value;
}
return value.substring(0, index) + substr + value.substring(index);
}
public static String leftPad(final String value, final String pad, final int length) {
validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);