#Java - Code Snippets for '#.Group'

#Java - Code Snippets for '#.Group' - 3 code snippet(s) found

Sample 1. Group Elements by even or Odd using Lambda Expressions

// Declare and Initialize the Collection



Set<Integer> intSet = new HashSet<Integer>();



// Add Elements



intSet.add(1);

intSet.add(2);

intSet.add(3);

intSet.add(4);



// Use the stream and Collector to Group by Even and Odd



System.out.println(intSet.stream().collect(Collectors.groupingBy(p->((Integer)p)%2)));  Prints {0=[2, 4], 1=[1, 3]}

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Sample 2. Sum all collection elements using Lambda Expressions

// Declare and Initialize the Collection



Set<Integer> intSet = new HashSet<Integer>();



// Add Elements



intSet.add(1);

intSet.add(2);

intSet.add(3);

intSet.add(4);



// Use the stream and collectors to sum all elements.



System.out.println(intSet.stream().collect(Collectors.summingInt(p->(Integer)p)));

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Sample 3. Code Sample / Example / Snippet of org.osgi.service.useradmin.Group

    protected void configureAdditionalServices() throws Exception {

        Group group = (Group) m_userAdmin.createRole(TEST_GROUP, Role.GROUP);

        group.getProperties().put("type", "userGroup");



        User user = (User) m_userAdmin.createRole("TestUser", Role.USER);

        user.getProperties().put("email", "testUser@apache.org");

        user.getCredentials().put("password", "swordfish");

        user.getCredentials().put("certificate", "42".getBytes());



        group.addMember(user);

    }

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