Subtype polymorphism: Upcasting and late binding. Subtype polymorphism relies on upcasting and late binding. Upcasting is a form of casting where you cast up the inheritance hierarchy from a subtype to a supertype . No cast operator is involved because the subtype is a specialization of the supertype.
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In Java, we can cast both reference and primitive data types . By using casting, data can not be changed but only the data type is changed. Note: type casting is not possible for a Boolean data type. There are 13 types of conversion in Java.
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Casting acts on the compile time type, polymorphism on the runtime type .9 Eyl 2007
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Java Type Casting
Read moreHow do you cast an object to a String in Java?
We can convert Object to String in java using toString() method of Object class or String. valueOf(object) method . You can convert any object to String in java whether it is user-defined class, StringBuilder, StringBuffer or anything else.
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Type Casting in Java – An Introduction Type Casting is a feature in Java using which the form or type of a variable or object is cast into some other kind or Object , and the process of conversion from one type to another is called Type Casting.
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In Java, there are two types of casting:
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