Given the code fragments:

What is the result?

• A.Compilation fails at line n1
• B.Compilation fails at line n2
• C.Contract
  Contract
  Super
• D.Super
  Sub
  Sub

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Which statement is true about the single abstract method of the java.util.function.Function interface?

• A.It accepts one argument and returns void.
• B.It accepts an argument and produces a result of any data type.
• C.It accepts one argument and returns boolean.
• D.It accepts one argument and always produces a result of the same type as the argument.

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Given:

and

Which interface from the java.util.function package should you use to refactor the class Txt?

• A.Function
• B.Supplier
• C.Consumer
• D.Predicate

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Given the records from the Employee table:

and given the code fragment:
try {
Connection conn = DriverManager.getConnection (URL, userName, passWord); Statement st = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE); st.execute("SELECT*FROM Employee"); ResultSet rs = st.getResultSet(); while (rs.next()) { if (rs.getInt(1) ==112) { rs.updateString(2, "Jack");
}
}
rs.absolute(2);
System.out.println(rs.getInt(1) + " " + rs.getString(2));
} catch (SQLException ex) {
System.out.println("Exception is raised");
}
Assume that:
The required database driver is configured in the classpath.
The appropriate database accessible with the URL, userName, and passWord exists.
What is the result?

• A.The Employee table is updated with the row:
  112 Jack
  and the program prints:
  112 Jack
• B.The program prints Exception is raised.
• C.The Employee table is updated with the row:
  112 Jack
  and the program prints:
  112 Jerry
• D.The Employee table is not updated and the program prints:
  112 Jerry

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Given: What is the result?

• A.A NullPointerException is thrown at runtime.
• B.AnArrayIndexOutOfBoundsException is thrown at runtime.
• C.d
• D.A StringIndexOutOfBoundsException is thrown at runtime.
• E.The program prints nothing

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