java.util.HashSet#hashCode ( )源码实例Demo

下面列出了java.util.HashSet#hashCode ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： dragonwell8_jdk 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final IdentityHashMap<String, String> identityHashMap =
        new IdentityHashMap<>();

    identityHashMap.put("One", "Un");
    identityHashMap.put("Two", "Deux");
    identityHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = identityHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    // NB: These comparisons are valid in this case because none of the
    //     keys put into 'identityHashMap' above are equal to any other.
    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码2 项目： openjdk-8 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final IdentityHashMap<String, String> identityHashMap =
        new IdentityHashMap<>();

    identityHashMap.put("One", "Un");
    identityHashMap.put("Two", "Deux");
    identityHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = identityHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    // NB: These comparisons are valid in this case because none of the
    //     keys put into 'identityHashMap' above are equal to any other.
    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码3 项目： dragonwell8_jdk 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final ConcurrentHashMap<String, String> concurrentHashMap =
        new ConcurrentHashMap<>();

    concurrentHashMap.put("One", "Un");
    concurrentHashMap.put("Two", "Deux");
    concurrentHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = concurrentHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码4 项目： TencentKona-8 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final IdentityHashMap<String, String> identityHashMap =
        new IdentityHashMap<>();

    identityHashMap.put("One", "Un");
    identityHashMap.put("Two", "Deux");
    identityHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = identityHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    // NB: These comparisons are valid in this case because none of the
    //     keys put into 'identityHashMap' above are equal to any other.
    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码5 项目： jdk8u_jdk 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final IdentityHashMap<String, String> identityHashMap =
        new IdentityHashMap<>();

    identityHashMap.put("One", "Un");
    identityHashMap.put("Two", "Deux");
    identityHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = identityHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    // NB: These comparisons are valid in this case because none of the
    //     keys put into 'identityHashMap' above are equal to any other.
    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码6 项目： openjdk-8 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final EnumMap<TestEnum, String> enumMap = new EnumMap<>(TestEnum.class);

    for (TestEnum e : TestEnum.values()) {
        enumMap.put(e, e.name());
    }

    Set<Map.Entry<TestEnum, String>> entrySet = enumMap.entrySet();
    HashSet<Map.Entry<TestEnum, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码7 项目： jdk8u-jdk 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final ConcurrentHashMap<String, String> concurrentHashMap =
        new ConcurrentHashMap<>();

    concurrentHashMap.put("One", "Un");
    concurrentHashMap.put("Two", "Deux");
    concurrentHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = concurrentHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码8 项目： openjdk-8 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final ConcurrentHashMap<String, String> concurrentHashMap =
        new ConcurrentHashMap<>();

    concurrentHashMap.put("One", "Un");
    concurrentHashMap.put("Two", "Deux");
    concurrentHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = concurrentHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码9 项目： openjdk-8-source 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final ConcurrentHashMap<String, String> concurrentHashMap =
        new ConcurrentHashMap<>();

    concurrentHashMap.put("One", "Un");
    concurrentHashMap.put("Two", "Deux");
    concurrentHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = concurrentHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码10 项目： jdk8u60 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final IdentityHashMap<String, String> identityHashMap =
        new IdentityHashMap<>();

    identityHashMap.put("One", "Un");
    identityHashMap.put("Two", "Deux");
    identityHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = identityHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    // NB: These comparisons are valid in this case because none of the
    //     keys put into 'identityHashMap' above are equal to any other.
    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码11 项目： jdk8u60 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final EnumMap<TestEnum, String> enumMap = new EnumMap<>(TestEnum.class);

    for (TestEnum e : TestEnum.values()) {
        enumMap.put(e, e.name());
    }

    Set<Map.Entry<TestEnum, String>> entrySet = enumMap.entrySet();
    HashSet<Map.Entry<TestEnum, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码12 项目： jdk8u60 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final ConcurrentHashMap<String, String> concurrentHashMap =
        new ConcurrentHashMap<>();

    concurrentHashMap.put("One", "Un");
    concurrentHashMap.put("Two", "Deux");
    concurrentHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = concurrentHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码13 项目： hottub 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final IdentityHashMap<String, String> identityHashMap =
        new IdentityHashMap<>();

    identityHashMap.put("One", "Un");
    identityHashMap.put("Two", "Deux");
    identityHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = identityHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    // NB: These comparisons are valid in this case because none of the
    //     keys put into 'identityHashMap' above are equal to any other.
    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码14 项目： openjdk-jdk8u 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final EnumMap<TestEnum, String> enumMap = new EnumMap<>(TestEnum.class);

    for (TestEnum e : TestEnum.values()) {
        enumMap.put(e, e.name());
    }

    Set<Map.Entry<TestEnum, String>> entrySet = enumMap.entrySet();
    HashSet<Map.Entry<TestEnum, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码15 项目： jdk8u-dev-jdk 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final EnumMap<TestEnum, String> enumMap = new EnumMap<>(TestEnum.class);

    for (TestEnum e : TestEnum.values()) {
        enumMap.put(e, e.name());
    }

    Set<Map.Entry<TestEnum, String>> entrySet = enumMap.entrySet();
    HashSet<Map.Entry<TestEnum, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码16 项目： jdk8u_jdk 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final EnumMap<TestEnum, String> enumMap = new EnumMap<>(TestEnum.class);

    for (TestEnum e : TestEnum.values()) {
        enumMap.put(e, e.name());
    }

    Set<Map.Entry<TestEnum, String>> entrySet = enumMap.entrySet();
    HashSet<Map.Entry<TestEnum, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码17 项目： openjdk-jdk8u-backup 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final EnumMap<TestEnum, String> enumMap = new EnumMap<>(TestEnum.class);

    for (TestEnum e : TestEnum.values()) {
        enumMap.put(e, e.name());
    }

    Set<Map.Entry<TestEnum, String>> entrySet = enumMap.entrySet();
    HashSet<Map.Entry<TestEnum, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码18 项目： openjdk-8-source 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final EnumMap<TestEnum, String> enumMap = new EnumMap<>(TestEnum.class);

    for (TestEnum e : TestEnum.values()) {
        enumMap.put(e, e.name());
    }

    Set<Map.Entry<TestEnum, String>> entrySet = enumMap.entrySet();
    HashSet<Map.Entry<TestEnum, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码19 项目： openjdk-jdk9 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final IdentityHashMap<String, String> identityHashMap =
        new IdentityHashMap<>();

    identityHashMap.put("One", "Un");
    identityHashMap.put("Two", "Deux");
    identityHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = identityHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    // NB: These comparisons are valid in this case because none of the
    //     keys put into 'identityHashMap' above are equal to any other.
    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}

源代码20 项目： openjdk-jdk9 文件： DistinctEntrySetElements.java


public static void main(String[] args) throws Exception {
    final ConcurrentHashMap<String, String> concurrentHashMap =
        new ConcurrentHashMap<>();

    concurrentHashMap.put("One", "Un");
    concurrentHashMap.put("Two", "Deux");
    concurrentHashMap.put("Three", "Trois");

    Set<Map.Entry<String, String>> entrySet = concurrentHashMap.entrySet();
    HashSet<Map.Entry<String, String>> hashSet = new HashSet<>(entrySet);

    if (false == hashSet.equals(entrySet)) {
        throw new RuntimeException("Test FAILED: Sets are not equal.");
    }
    if (hashSet.hashCode() != entrySet.hashCode()) {
        throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
    }
}