实验一写完力(喜)
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@@ -4,6 +4,8 @@ import java.util.ArrayList;
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public class HelloCollections {
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public class HelloCollections {
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public ArrayList run() {
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public ArrayList run() {
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ArrayList<String> list = new ArrayList<>();
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list.add("hello, world");
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return list;
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return list;
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}
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}
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}
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}
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