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Clarify Javadoc 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1493118 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sebastian Bazley 2013-06-14 15:30:09 +00:00
parent 572087d22b
commit 0dafe1193c
1 changed files with 16 additions and 3 deletions
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19
src/main/java/org/apache/commons/lang3/StringUtils.java
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@ -1061,7 +1061,10 @@ public class StringUtils {
*
* <p>A {@code null} or empty ("") CharSequence will return {@code -1}.
* A negative start position returns {@code -1}.
* A start position greater than the string length searches the whole string.</p>
* A start position greater than the string length searches the whole string.
* The search starts at the startPos and works backwards; matches starting after the start
* position are ignored.
* </p>
*
* <pre>
* StringUtils.lastIndexOf(null, *, *) = -1
@ -1164,7 +1167,10 @@ public class StringUtils {
* <p>A {@code null} CharSequence will return {@code -1}.
* A negative start position returns {@code -1}.
* An empty ("") search CharSequence always matches unless the start position is negative.
* A start position greater than the string length searches the whole string.</p>
* A start position greater than the string length searches the whole string.
* The search starts at the startPos and works backwards; matches starting after the start
* position are ignored.
* </p>
*
* <pre>
* StringUtils.lastIndexOf(null, *, *) = -1
@ -1176,6 +1182,10 @@ public class StringUtils {
* StringUtils.lastIndexOf("aabaabaa", "b", -1) = -1
* StringUtils.lastIndexOf("aabaabaa", "a", 0) = 0
* StringUtils.lastIndexOf("aabaabaa", "b", 0) = -1
* StringUtils.lastIndexOf("aabaabaa", "b", 1) = -1
* StringUtils.lastIndexOf("aabaabaa", "b", 2) = 2
* StringUtils.lastIndexOf("aabaabaa", "ba", 2) = -1
* StringUtils.lastIndexOf("aabaabaa", "ba", 2) = 2
* </pre>
*
* @param seq the CharSequence to check, may be null
@ -1230,7 +1240,10 @@ public class StringUtils {
* <p>A {@code null} CharSequence will return {@code -1}.
* A negative start position returns {@code -1}.
* An empty ("") search CharSequence always matches unless the start position is negative.
* A start position greater than the string length searches the whole string.</p>
* A start position greater than the string length searches the whole string.
* The search starts at the startPos and works backwards; matches starting after the start
* position are ignored.
* </p>
*
* <pre>
* StringUtils.lastIndexOfIgnoreCase(null, *, *) = -1