Hi, i have a question. If i have two theards, each will sleep for a time,during wake up, the threads will read from Database and update certain fields. In case, both theads update the same record at the same time, Java will catch the exception(connection busy). How i going to use synchronized to control the threads so that one will wait for another to finish update record. Thanks.
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For customizing the look of your lightweight component and making it look lucid like it was made of glass.
Or: how to make your component more Apple-ish ;)
This tip assumes your component to be of rectangular shape and completely opaque.
Java can be integrated with native programs using an interface called JNI(Java Native Interface). Native programs are programs which can directly run on the processor. JNI is simply a naming and calling convention so that the JVM (Java…
Viewers learn about how to reduce the potential repetitiveness of coding in main by developing methods to perform specific tasks for their program. Additionally, objects are introduced for the purpose of learning how to call methods in Java.
Viewers will learn one way to get user input in Java.
Introduce the Scanner object:
Declare the variable that stores the user input:
An example prompting the user for input:
Methods you need to invoke in order to properly get user input: