Скачать или смотреть #75 Lambda Expression with return

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In this lecture we are discussing about lambda expression:

#1
-- if we have a functional interface
interface A{
int add(int i, int j);
}
in this case, we return int type from add a method for that we can write a lambda expression
in different ways.
-- if we have a single statement you do not need of curly braces
A obj1 =(i,j)- return i+j;

-- if we want to return something in a single statement, no need to mention the return keyword
A obj2 =(i,j)-i+j;

#2
Example:
class Main{
public static void main(String[] args){
// Anonymous class with lambda expression
//if you have single statement and want to return something then you need not to write return keyword and curly braces
A obj= (i,j)- i+j;
System.out.println(obj.add(5,6));
//lambada expression works with functional interface
}
}

interface A{
public int add(int i,int j);
}

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