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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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2
src/java.base/share/classes/java/security/MessageDigest.java
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@ -237,7 +237,7 @@ public abstract class MessageDigest extends MessageDigestSpi {
throws NoSuchAlgorithmException, NoSuchProviderException
{
Objects.requireNonNull(algorithm, "null algorithm name");
if (provider == null || provider.length() == 0)
if (provider == null || provider.isEmpty())
throw new IllegalArgumentException("missing provider");
Object[] objs = Security.getImpl(algorithm, "MessageDigest", provider);
if (objs[0] instanceof MessageDigest) {