@Test public void getS3Key() { final S3KeyGenerator generator = new S3KeyGenerator(); final String key = generator.getS3Key(); assertNotNull(key); assertTrue(key.length() > 16); }
@NonNull public String getS3Key() { return new BigInteger(130, random).toString(32); }
S3KeyGenerator { @NonNull public String getS3Key() { return new BigInteger(130, random).toString(32); } }
S3KeyGenerator { @NonNull public String getS3Key() { return new BigInteger(130, random).toString(32); }  }
S3KeyGenerator { @NonNull public String getS3Key() { return new BigInteger(130, random).toString(32); }  @NonNull String getS3Key(); }
S3KeyGenerator { @NonNull public String getS3Key() { return new BigInteger(130, random).toString(32); }  @NonNull String getS3Key();  }