src/java.base/share/classes/com/sun/crypto/provider/OAEPParameters.java

rev 10537 : 8055723[core]: Replace concat String to append in StringBuilder parameters
Contributed-by: Otavio Santana <otaviojava@java.net>

*** 237,248 ****
          return engineGetEncoded();
      }
  
      protected String engineToString() {
          StringBuilder sb = new StringBuilder();
!         sb.append("MD: " + mdName + "\n");
!         sb.append("MGF: MGF1" + mgfSpec.getDigestAlgorithm() + "\n");
!         sb.append("PSource: PSpecified " +
!             (p.length==0? "":Debug.toHexString(new BigInteger(p))) + "\n");
          return sb.toString();
      }
  }
--- 237,250 ----
          return engineGetEncoded();
      }
  
      protected String engineToString() {
          StringBuilder sb = new StringBuilder();
!         sb.append("MD: ").append(mdName).append('\n');
!         sb.append("MGF: MGF1").append(mgfSpec.getDigestAlgorithm())
!                 .append('\n');
!         sb.append("PSource: PSpecified ")
!                 .append(p.length == 0 ? "" : Debug
!                         .toHexString(new BigInteger(p))).append('\n');
          return sb.toString();
      }
  }