Explain the three methods of the Iterable interface?
Answer: The iterator() returns an object of the collection structure that is able to use the next(), hasNext() and remove() methods. The forEach(Consumer"? super T" function) method applies an included function to each element in a collection structure. Finally, the splititerator() method returns an object equipped with functions used for parallel processing.
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Data Structures
- What is the general function of the Period and Duration classes?
- What is the general function of the LocalDateTime class?
- What is the general function of the LocalTime class?
- What is the output of the following code?
- What is the function of the of() methods and the ofYearDay() method of the LocalDate class?
- What is the function of the parse(CharSequence text) and parse(CharSequence text, DateTimeFormatter formatter) methods of the LocalDate class?
- What is the general purpose of the LocalDate class?
- What is the function of the max(), min(), median(), and mode() methods of the ObjectUtils class?
- What is the function of the firstNotNull() and defaultIfNull() methods of the ObjectUtils class?
- What is the function of the allNotNull() and anyNotNull() methods of the ObjectUtils class?
- What is the function of the identityToString() series of methods of the ObjectUtils class?
- What is the function of the notNull() method of the ObjectUtils class?
- What is the function of the toString(Object o) and toString(Object o, String nullDefault) methods of the Objects class?
- What is the function of the compare(T a, T b, Comparator c) method of the Objects class?
- What is the output of the following code segment?
- What two classes are useful resources for Object Utilities.
- What is the function of the stream() method from the java.util.Arrays class?
- What is the function of the splitIterator() method from the java.util.Arrays class?
- What is the function of the sort() and parallelSort() methods from the java.util.Arrays class?
- What is the function of the fill(), setAll(), parallelPrefix(), and parallelSetAll() methods from the java.util.Arrays class?
- What is the function of the toString() and deepToString() methods from the java.util.Arrays class?
- What is the function of the hashCode() and deepHashCode() methods from the java.util.Arrays class?
- What is the function of the copyOf() and copyOfRange() methods from the java.utils.Arrays class?
- What is the function of the compare(), mismatch(), equals() and deepEquals() methods from the java.util.Arrays class?
- What is the function of the binarySearch() method from the java.util.Arrays class?
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