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This example demonstrates how do I pick up and hung up calls in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport android.Manifest; import android.content.pm.PackageManager; import android.support.v4.app.ActivityCompat; import android.support.v4.content.ContextCompat; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ... Read More
A Set is a collection that cannot contain duplicate elements. It models the mathematical set abstraction.It does not allow duplicate elements and allow one null value at most.Set also adds a stronger contract on the behavior of the equals and hashCode operations, allowing Set instances to be compared meaningfully even if their implementation types differ.There are three classes implementing this interface −HashSet − Set implementation based on hash table.LinkedHashSet − HashSet implementation based on linked list.TreeSet − Set implementation based on trees.Null values in a Set objectAs per the definition a set object does not allow duplicate values but it ... Read More
The java.time package of Java provides API’s for dates, times, instances and durations. It provides various classes like Clock, LocalDate, LocalDateTime, LocalTime, MonthDay, Year, YearMonth etc. Using classes of this package you can get details related to date and time in much simpler way compared to previous alternatives.Java.time.LocalDate − This class represents a date object without time zone in ISO-8601 calendar system. The now() method of this class obtains the current date from the system clock.The toString() method of the LocalDate class converts the date value of the current Date object in to String and returns it.ExampleFollowing Java example accepts ... Read More
The java.time package of Java provides API’s for dates, times, instances and durations. It provides various classes like Clock, LocalDate, LocalDateTime, LocalTime, MonthDay, Year, YearMonth etc. Using classes of this package you can get details related to date and time in much simpler way compared to previous alternatives.Java.time.LocalDate − This class represents a date object without time zone in ISO-8601 calendar system. The now() method of this class obtains the current date from the system clock.The isLeapYear() method of java.time.LocalDate verifies if the year in the current object is a leap year according to the ISO proleptic calendar system rules, returns ... Read More
The java.time package of Java provides API’s for dates, times, instances and durations. It provides various classes like Clock, LocalDate, LocalDateTime, LocalTime, MonthDay, Year, YearMonth etc. Using classes of this package you can get details related to date and time in much simpler way compared to previous alternatives.Java.time.LocalDate − This class represents a date object without time zone in ISO-8601 calendar system. The now() method of this class obtains the current date from the system clock.The of() method of java.time.LocalDate class accepts three integer parameters representing and year, a month of an year, day of a month and, returns the ... Read More
The java.time package of Java provides API’s for dates, times, instances and durations. It provides various classes like Clock, LocalDate, LocalDateTime, LocalTime, MonthDay, Year, YearMonth etc. Using classes of this package you can get details related to date and time in much simpler way compared to previous alternatives.Java.time.LocalDate − This class represents a date object without time zone in ISO-8601 calendar system.The now() method of this class obtains the current date from the system clock.The isAfter() method accepts an object of the class ChronoLocalDate (representing a date without time zone or, time), compares the given date with the current one ... Read More
The java.time package of Java provides API’s for dates, times, instances and durations. It provides various classes like Clock, LocalDate, LocalDateTime, LocalTime, MonthDay, Year, YearMonth etc. Using classes of this package you can get details related to date and time in much simpler way compared to previous alternatives.The Clock class of the java.time package is used to access the current instant using a time zone. Using this class you can get the current time zone, instant of the clock, current milli seconds etc.ExampleFollowing Java example demonstrates the usage of Clock class in Java.import java.time.Clock; import java.time.ZoneId; public class CurentTime { ... Read More
The java.time package of Java provides API’s for dates, times, instances and durations. It provides various classes like Clock, LocalDate, LocalDateTime, LocalTime, MonthDay, Year, YearMonth etc. Using classes of this package you can get details related to date and time in much simpler way compared to previous alternatives.Java.time.LocalDate − This class represents a date object without time zone in ISO-8601 calendar system.The now() method of this class obtains the current date from the system clock.The plus() method of the LocalDate class accepts a long value representing the amount to add and an object of the interface TemporalAmount representing the unit ... Read More
From Java8 java.time package was introduced. This provides classes like LocalDate, LocalTime, LocalDateTime, MonthDay etc. Using classes of this package you can get time and date in a simpler way.Java.time.LocalTime − This class represents a time object without time zone in ISO-8601 calendar system. The now() method of this class obtains the current time from the system clock.Java.time.LocalDateTime − This class represents a date-time object without time zone in ISO-8601 calendar system. The now() method of this class obtains the current date-time from the system clock.ExampleFollowing example retrieves the current time java.time package of Java8.import java.time.LocalDate; import java.time.LocalDateTime; import java.time.LocalTime; ... Read More
The java.time package of Java provides API’s for dates, times, instances and durations. It provides various classes like Clock, LocalDate, LocalDateTime, LocalTime, MonthDay, Year, YearMonth etc. Using classes of this package you can get details related to date and time in much simpler way compared to previous alternatives.Java.time.LocalDate − This class represents a date object without time zone in ISO-8601 calendar system. The now() method of this class obtains the current date from the system clock.The of() method of the java.time.LocalDate class accepts three integer parameters representing and year, a month of an year, day of a month and, returns the ... Read More