Technical Solutions

Thursday, 22 August 2024

lambda java

https://www.javaprogramto.com/2019/06/java8-lambda-expressions.html

Wednesday, 21 August 2024

Interview preparation Topic

Object class and its method.

Class and object

equal() and Hash()

String vs String()

StringBuilder vs String Buffer.

Opps Pilor

Interface

Abstraction

functional interview question

consumer

supplyer

function

Bifunctional

Predicate<Integer>isEven = x -> x%2==0;
Predicate<Integer>isNotNull =  x->x!=null;
System.out.println(isNotNull.and(isEven).test(null));
System.out.println(isEven.test(2));
System.out.println(isEven.test(3));

Supplier<String>supplier = () -> String.valueOf(UUID.randomUUID());
System.out.println(supplier.get());

Consumer<String> toUpperCase = x->System.out.println(x.toUpperCase());
toUpperCase.accept("Hello, world!");


Function<String,Integer>function = x->x.length();
System.out.println(function.apply("test"));


BiFunction<String,String,Integer>biFunction = ( a, b) -> a.length() + b.length();
System.out.println(biFunction.apply("ravi","bhushan"));

BiConsumer<String,String>biConsumer = (a,b)-> System.out.println(a+b);
biConsumer.accept("lll","kkk");


BiSupplierWithReturn biSupplierWithReturn = (a,b)-> List.of(a,b);
System.out.println(biSupplierWithReturn.apply(1,3));