The strictfp modifier can be used for classes (and is applied to nested classes as well), non-abstract methods, and interfaces. It cannot be used for variables, constructors, or abstract methods. When the strictfp modifier is used on an interface there are some headlines to point out as follows: It is…
16. Restoring Always-Strict Floating-Point semantics Floating-point calculations are not easy! Even some simple arithmetical properties don’t apply to such calculations. For instance, floating-point addition or multiplication is not associative. In other words (x + y) + z is not equal to x + (y + z) where x, y, and…
Configuring EM Agents The lab environment, where agents will be deployed and sharding components will be discovered, is as follows: •\ oem13c: Oracle Enterprise Manager Cloud Control (OEMCC) 13c server •\ gsmcat: Shard catalog database (gsmcatdb) and shard director •\ prsh01: Primary shard database server •\ prsh02: Primary shard database…
Configuring Autodiscovery To add the shard catalog database, primary shards, and standby shards, you need to use a smart feature of the EM, dubbed target autodiscovery. Select Setup ➤ Add Target ➤ Configure Auto Discovery, and then click the Advanced: Discovery Modules tab. Choose Oracle Database, Listener, and Automatic Storage…
Reviewing Sections Related to Sharding When sharding targets are added to EM, the following sections will contain links to specific objects. To view sharding architecture–related sections, from the EM console, click Targets and then All Targets. You’ll see Shard Director, Sharded Database, Shardgroup, and Shardspace sections (Figure 3-8). Figure 3-8. …
Setting UptheEnvironment For this chapter, and the entire book, we are going to use the setup shown in Figure 4-1, which has a single instance for both the primary and standby databases. We have installed Oracle 19c (19.3.0) on both the primary and physical standby database servers and applied October…
24, Nov 2022
Customizing localized date-time formats – Text blocks, Locales, Numbers & Math
15. Customizing localized date-time formats Starting with JDK 8, we have a comprehensive date-time API containing classes such as LocalDate, LocalTime, LocalDateTime, ZonedDateTime, OffsetDateTime, and OffsetTime. We can easily format the date-time output returned by these classes via DateTimeFormatter.ofPattern(). For instance, here we format a LocalDateTime via the y-MM-dd HH:mm:ss…