What are Generics in Java | Java Generics Tutorial | Edureka
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The document explains Java generics, which are features that allow the definition and use of generic types and methods. It covers types of Java generics, including generic classes, interfaces, methods, and constructors, as well as the advantages of generics like code reusability and type safety. Additionally, it describes the implementation of generic functions that adapt based on the types of arguments provided.
![TYPES OF
JAVA
GENERICS
Generic Type Method
public static <T> int countAllOccurrences(T[]
list, T element) {
int count = 0;
if (element == null) {
for ( T listElement : list )
if (listElement == null)
count++;
}
else {
for ( T listElement : list )
if (element.equals(listElement))
count++;
}
return count;
}
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What are Generics in Java | Java Generics Tutorial | Edureka
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- 4. WHAT IS GENERICS IN JAVA? Generics is a term that denotes a set of language features related to the definition and use of Generic types and methods. www.edureka.co/java-j2ee-soa-training
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- 13. GENERIC FUNCTIONS We can also write generic functions that can be called with different types of arguments based on the type of arguments passed to generic method, & further the compiler handles each method. www.edureka.co/java-j2ee-soa-training
- 15. ADVANTAGES OF GENERICS IN JAVA Code Reusability Type Safety Individual type casting not required Implementing non generic algorithms www.edureka.co/java-j2ee-soa-training
- 16. Copyright © 2017, edureka and/or its affiliates. All rights reserved. www.edureka.co