Computer scienceProgramming languagesJavaCode organizationFunctional programmingFunctions

Lambda expressions

Theory

Creating a closure

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Write a lambda expression that takes a single String argument, removes all whitespaces on its both ends and adds PREFIX (before) and SUFFIX (after) to it. PREFIX and SUFFIX are final variables provided in the code template.

Write a program in Java 17
import java.util.function.UnaryOperator;

class PrefixSuffixOperator {

public static final String PREFIX = "__pref__";
public static final String SUFFIX = "__suff__";

public static UnaryOperator<String> operator = // write your code here
}
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