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In the Java programming language, the final keyword is used in several contexts to define an entity that can only be assigned once. Once a final variable has been assigned, it always contains the same value. If a final variable holds a reference to an object, then the state of the object may be changed by operations on the object, but the variable will always refer to the same object (this property of final is called non-transitivity). This applies also to arrays, because arrays are objects; if a final variable holds a reference to an array, then the components of the array may be changed by operations on the array, but the variable will always refer to the same array.

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  • Final (Java) (en)
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  • In the Java programming language, the <b>final</b> keyword is used in several contexts to define an entity that can only be assigned once. Once a <b>final</b> variable has been assigned, it always contains the same value. If a <b>final</b> variable holds a reference to an object, then the state of the object may be changed by operations on the object, but the variable will always refer to the same object (this property of <b>final</b> is called non-transitivity). This applies also to arrays, because arrays are objects; if a <b>final</b> variable holds a reference to an array, then the components of the array may be changed by operations on the array, but the variable will always refer to the same array. (en)
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  • In the Java programming language, the <b>final</b> keyword is used in several contexts to define an entity that can only be assigned once. Once a <b>final</b> variable has been assigned, it always contains the same value. If a <b>final</b> variable holds a reference to an object, then the state of the object may be changed by operations on the object, but the variable will always refer to the same object (this property of <b>final</b> is called non-transitivity). This applies also to arrays, because arrays are objects; if a <b>final</b> variable holds a reference to an array, then the components of the array may be changed by operations on the array, but the variable will always refer to the same array. (en)
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