This topic describes the UserJvmOptionsService API, which can be used in self-contained Java and JavaFX applications to opzioni the opzioni for the Java Virtual Machine JVM. The new settings are used the next time that the application is started. JVM options are used to configure the JVM. For example, options are available for managing memory, setting the class path, and turning on debugging. When you use the Java Packaging tools to package your self-contained application, you can pass in the JVM options that you want your application to use -BjvmOptionsand provide default values for options that the user can set -BuserJvmOptions. The UserJvmOptionsService API enables you to provide a way to manage JVM options through the application, for example, by providing a preferences or settings feature. The settings specified by the user are used each time the application is started. If a user changes the settings, the application must be restarted to use the new settings. For options that are not set through the API, values from the -BuserJvmOptions option that were specified when the application package was created are used. For options that are not set through the API or the -BuserJvmOptions arguments, values from the -BjvmOptions arguments that were specified when binariewinner application package was created are used. See Section"Instantiating UserJvmOptionsService" for details. See Section"Getting Current Values of JVM Options" for details. See Section"Getting Default Values of JVM Options" for details. See Section"Setting New Values for JVM Options" for details. The first step in using the UserJvmOptionsService API is to get an instance of the service to use. The instance is determined by the packager and the launcher. This method returns the JVM options and values that were set either using the setUserJVMOptions method or using the -BuserJvmOptions arguments when the application package was created. If changes have been made to the settings since the application was started, the values returned show the latest settings, not the settings used when the application was started. Use the getUserJVMOptionDefaults method to get the default JVM options for the application. This method returns the JVM options and values that were set using binariewinner -BuserJvmOptions arguments when the application package was created. Use the setUserJVMOptions method to store changes that the user makes to the Option options. The application must be restarted to use the new values. If the user does not set a value for an option that was specified in a -BuserJvmOptions argument when the application package was created, the option from the -BuserJvmOptions argument is used when option application is started. JVM options are passed as key-value pairs, which are concatenated when passed to the JVM. To set opzioni maximum size of the memory allocation pool to 80 megabytes, use the key -Xmx and the value 80M. The sample also generates a binariewinner to show the current value and default value for the options Skip to Content Oracle Technology Network Software Binariewinner Documentation Search Customizing JVM Options in Self-Contained Applications Overview of the UserJvmOptionsService API JVM options are used to configure the JVM. When you use the Java Packaging tools to package your self-contained application, you can pass in the JVM options that you want your application to use -BjvmOptionsand provide default values for options that the user can set -BuserJvmOptions The UserJvmOptionsService API enables you to provide a way to manage JVM options through the application, for example, by providing a preferences or settings feature. See Section"Instantiating UserJvmOptionsService" for details getUserJVMOptions. See Section"Getting Current Values of JVM Options" for details getUserJVMOptionDefaults. See Section"Getting Default Values of JVM Options" for details setUserJVMOptions. See Section"Setting New Values for JVM Options" for details Instantiating UserJvmOptionsService The first step in using the UserJvmOptionsService API is to get an instance of the service to opzioni. If the user does not set a value for an option that was specified in a -BuserJvmOptions argument when the application package was created, the value from the -BuserJvmOptions argument is used when the application is started JVM options are passed as key-value pairs, which are concatenated when passed to the JVM. If invalid values are provided, your application might not start Example Using the UserJvmOptionsService API The following sample code shows how the UserJvmOptionsService API can be used to track the first and last time an application is run. All rights reserved Note Do not attempt to directly instantiate an instance of UserJvmOptions. If invalid values are provided, your application might not start.
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This course is designed to provide an analysis of strategic planning, including the development of vision and mission statements and the use of environmental scans, gap analysis, action planning, and benchmarking.
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This course is designed to provide an analysis of strategic planning, including the development of vision and mission statements and the use of environmental scans, gap analysis, action planning, and benchmarking.
A society that provides services to some diseases and not others is causing much heartache and tragedy.