回答編集履歴
1
閉じ>が抜けてた
test
CHANGED
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@@ -16,7 +16,7 @@
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//2.を使った例
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-
public static Number method2(List<? extends Number list) {
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+
public static Number method2(List<? extends Number> list) {
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Number num = list.get(0);
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