Answers for "set class return type by jenric in java"

set class return type by jenric in java

jerry.<Dog>callFriend("spike").bark();

Posted by: Guest on May-06-2022

set class return type by jenric in java

@SuppressWarnings("unchecked")
public <T extends Animal> T callFriend(String name) {
    return (T)friends.get(name);
}

Posted by: Guest on May-06-2022

set class return type by jenric in java

jerry.addFriend("quaker", new Duck());
jerry.callFriend("quaker", /* unused */ new Dog()); // dies with illegal cast

Posted by: Guest on May-06-2022

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