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22 lines
360 B
Java
22 lines
360 B
Java
package source.structural;
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import java.util.ArrayList;
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@SuppressWarnings("serial")
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public class JDKInheritance extends ArrayList<String> {
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public int getI() {
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return 7;
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}
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public static void main(String[] args) {
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JDKInheritance i = new JDKInheritance();
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i.add("a");
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assert i.contains("a") && i.size() == 1;
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assert i.getI() == 7;
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}
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}
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