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This question already has answers here: Chaining Optionals in Java 8 (5 answers) Closed 3 days ago. public static BigDecimal …
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I have 2 Lists of object. The object is simple class contains key,value attributes. I want to update the value …
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Given the following class A : public class A { private int id; //this field is unique private int a_1; …
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I have two prodicates : Predicate<CategoryModel> predicate1 = NavigationCategoryModel.class::isInstance; Predicate<CategoryModel> predicate2 = BrandCategoryModel.class::isInstance; With and if statement , how can …
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I have a HashMap. I would like to filter this HashMap using three separate methods. In my HashMap I have …
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I am kinda new to streams and lambda. Looking for a tidier code for this use case. I have two …
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It defers from this How to apply sorting and limiting after groupby using Java streams because I want to solve …
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I want to create a query if the getData() return "yes". So added the filter for the same. Now if …
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It defers from this How to apply to sort and limiting after groupBy using Java streams because I want to …
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From the below code require to get values based on type from List, List<Type> types= Arrays.asList(new Type("type1","Values1"),new Type("type2","Values2")); List<AnotherType> anotherTypes …
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