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Merge pull request #1347 from lollerfirst/patch-1, close #1345

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Update ParseInteger.java
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Yang Libin
2020-06-12 09:22:17 +08:00
committed by GitHub
parent 4ac4a62a7f 7179718df2
commit 88d65ff5bf
1 changed files with 1 additions and 1 deletions
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Maths/ParseInteger.java
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@ -16,7 +16,7 @@ public class ParseInteger {
* @throws NumberFormatException if the {@code string} does not contain a parsable integer. * @throws NumberFormatException if the {@code string} does not contain a parsable integer.
*/ */
public static int parseInt(String s) { public static int parseInt(String s) {
if (s == null) { if (s == null || s.length() == 0) {
throw new NumberFormatException("null"); throw new NumberFormatException("null");
} }
boolean isNegative = s.charAt(0) == '-'; boolean isNegative = s.charAt(0) == '-';