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71 * |
71 * |
72 * @return true if this class implements or interface extends |
72 * @return true if this class implements or interface extends |
73 * {@code java.io.Externalizable}. |
73 * {@code java.io.Externalizable}. |
74 */ |
74 */ |
75 boolean isExternalizable(); |
75 boolean isExternalizable(); |
76 |
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77 /** |
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78 * Return true if this class can be used as a target type of a lambda expression |
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79 * or method reference. |
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80 * |
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81 * @return true if this class can be used as a target type of a lambda expression |
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82 * or method reference. |
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83 */ |
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84 boolean isFunctionalInterface(); |
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85 |
76 |
86 /** |
77 /** |
87 * Return the serialization methods for this class or |
78 * Return the serialization methods for this class or |
88 * interface. |
79 * interface. |
89 * |
80 * |