--- a/src/java.base/share/classes/javax/security/auth/callback/NameCallback.java Thu Dec 13 16:14:07 2018 +0100
+++ b/src/java.base/share/classes/javax/security/auth/callback/NameCallback.java Thu Dec 13 15:31:05 2018 +0100
@@ -62,7 +62,7 @@
* or if {@code prompt} has a length of 0.
*/
public NameCallback(String prompt) {
- if (prompt == null || prompt.length() == 0)
+ if (prompt == null || prompt.isEmpty())
throw new IllegalArgumentException();
this.prompt = prompt;
}
@@ -82,8 +82,8 @@
* or if {@code defaultName} has a length of 0.
*/
public NameCallback(String prompt, String defaultName) {
- if (prompt == null || prompt.length() == 0 ||
- defaultName == null || defaultName.length() == 0)
+ if (prompt == null || prompt.isEmpty() ||
+ defaultName == null || defaultName.isEmpty())
throw new IllegalArgumentException();
this.prompt = prompt;