InterfaceDefault.java

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UserService.java

StreamProcessor.java

GenericClass.java

LambdaExample.java

TryCatchResource.java

EnumPattern.java

MethodReference.java

Annotation.java

SwitchExpression.java

InterfaceDefault.java

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InterfaceDefault.java

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interface Calculator {↵

int calculate(int a, int b);↵

default int square(int n) { return n * n; }↵

}

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関連する練習問題

UserService.java StreamProcessor.java GenericClass.java LambdaExample.java TryCatchResource.java EnumPattern.java