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8215281: Use String.isEmpty() when applicable in java.base

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Reviewed-by: dfuchs, alanb
This commit is contained in:
Claes Redestad 2018-12-13 15:31:05 +01:00
parent c998ead188
commit a3df1d618e
155 changed files with 340 additions and 382 deletions
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6
src/java.base/share/classes/javax/security/auth/callback/NameCallback.java
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@ -62,7 +62,7 @@ public class NameCallback implements Callback, java.io.Serializable {
* 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 @@ public class NameCallback implements Callback, java.io.Serializable {
* 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;