Java 8 New Features Tutorials - 05 : Lambda Expression Part-2
In this video we are discussing about Lambda Expression
Functional Interface
• Java 8 New Features Tutorials - 01 : Funct...
Lambda Expression Part -1
• Java 8 New Features Tutorials - 04 : Lambd...
Lambda Expression is enabling Functional Programming in java 8.
Through Lambda Expression we can pass block of code as parameter of a method.
Lambda Expression is also known as Method Anonymous implementation.
Lambda Supports Higher Order Function implementation and Lazy Evaluation methods.
Lambda Expression :
Block of code which take some inputs and return output.
Enabling Functional Programming.
Anonymous Method implementation.
Pre-Condition :
can work on FunctionalInterface only
Pro :
More readable code
Store block of code in a variable
we can pass an implentation as an argument of a method
Cons : in some cases we dont get methods in IDE
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Lambda Expression Syntax :: (args)- {stmnt};
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Lambda Expression works with Functional Interface only .
Case -1 :a) No Method Argument with no return type (void method_name();)
b) No Method Argument with return type (R method_name();)
Case -2 :a) One Method Argument with no return type (void method_name(T t);)
b) One Method Argument with return type (R method_name(T t);)
Case -3 :a) More Than One Arguments with no return type (void method_name(args...);)
b) More Than One Arguments with return type (R method_name(arg..);)
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