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This is a list of the instructions that make up the Java bytecode, an abstract machine language that is ultimately executed by the Java virtual machine. [1] The Java bytecode is generated from languages running on the Java Platform, most notably the Java programming language.
JNDI (Java Naming and Directory Interface) organizes its names into a hierarchy. A name can be any string such as "com.example.ejb.MyBean". A name can also be an object that implements the Name interface; however, a string is the most common way to name an object.
In programming languages, name resolution can be performed either at compile time or at runtime. The former is called static name resolution , the latter is called dynamic name resolution . A somewhat common misconception is that dynamic typing implies dynamic name resolution.
From Java 8 onwards, the default keyword can be used to allow an interface to provide an implementation of a method. do The do keyword is used in conjunction with while to create a do-while loop , which executes a block of statements associated with the loop and then tests a boolean expression associated with the while .
In computer science, region-based memory management is a type of memory management in which each allocated object is assigned to a region.A region, also called a zone, arena, area, or memory context, is a collection of allocated objects that can be efficiently reallocated or deallocated all at once.
Register allocation consists therefore of choosing where to store the variables at runtime, i.e. inside or outside registers. If the variable is to be stored in registers, then the allocator needs to determine in which register(s) this variable will be stored.
An interface in the Java programming language is an abstract type that is used to declare a behavior that classes must implement. They are similar to protocols.Interfaces are declared using the interface keyword, and may only contain method signature and constant declarations (variable declarations that are declared to be both static and final).
Glue code describes language bindings or foreign function interfaces such as the Java Native Interface (JNI). Glue code may be written to access existing libraries , map objects to a database using object-relational mapping , or integrate commercial off-the-shelf programs.