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@Natukasi

class with final

Posted at

finalをつけたクラスはextendsできない

final public class SampleFinalClass {
    int i;
    void method(){};
}
public class SampleSubClass extends SampleFinalClass {
    int i;
}

Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project mavenproject1: Compilation failure
com/mycompany/mavenproject1/SampleSubClass.java:[11,37] final com.mycompany.mavenproject1.SampleFinalClassからは継承できません
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