Karthikeya Boyini has Published 1385 Articles

NavigableSet Class floor() method in Java

karthikeya Boyini

karthikeya Boyini

Updated on 30-Jul-2019 22:30:24

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The floor() method returns the greatest element less than or equal to the given element i.e. 30 here −floor(30)The following is an example to implement the floor method in Java −Example Live Demoimport java.util.NavigableSet; import java.util.TreeSet; public class Demo { public static void main(String[] args) { ... Read More

Remove specified element from Java LinkedHashSet

karthikeya Boyini

karthikeya Boyini

Updated on 30-Jul-2019 22:30:24

833 Views

To remove a specified element from LinkedHashSet, use the remove() and include the element you want to remove as a parameter.First, set LinkedHashSet and add elements −LinkedHashSet hashSet = new LinkedHashSet(); hashSet.add(10); hashSet.add(20); hashSet.add(30); hashSet.add(40); hashSet.add(50); hashSet.add(60);Let us now remove an element −hashSet.remove(10);The following is an example to remove specified ... Read More

Remove all elements from Java LinkedHashSet

karthikeya Boyini

karthikeya Boyini

Updated on 30-Jul-2019 22:30:24

415 Views

To remove all the elements from LinkedHashSet in Java, use the clear() method.The following is an example to declare LinkedHashSet and add elements to it −LinkedHashSet hashSet = new LinkedHashSet(); hashSet.add(10); hashSet.add(20); hashSet.add(30); hashSet.add(40); hashSet.add(50); hashSet.add(60);Use the clear() method to remove all elements −hashSet.clear();The following is an example −Example Live Demoimport ... Read More

Get last entry from NavigableMap in Java

karthikeya Boyini

karthikeya Boyini

Updated on 30-Jul-2019 22:30:24

230 Views

To display the last entry from NavigableMap in Java, use the lastEntry() method.Let us first create NavigableMap.NavigableMap n = new TreeMap(); n.put("A", 498); n.put("B", 389); n.put("C", 868); n.put("D", 988); n.put("E", 686); n.put("F", 888); n.put("G", 999); n.put("H", 444); n.put("I", 555); n.put("J", 666);Get the last entry now.n.lastEntry()The following is an example to ... Read More

How to use headSet() method of Java NavigableSet Class

karthikeya Boyini

karthikeya Boyini

Updated on 30-Jul-2019 22:30:24

152 Views

The headset() method returns elements up to a limit defined as a parameter.First, create a NavigableSet and add elements −NavigableSet set = new TreeSet(); set.add(10); set.add(25); set.add(40); set.add(55); set.add(70); set.add(85); set.add(100);Now, use the headset() method −set.headSet(55));The following is an example −Example Live Demoimport java.util.NavigableSet; import java.util.TreeSet; public class Demo {   ... Read More

Copy all elements of Java LinkedHashSet to an Object Array

karthikeya Boyini

karthikeya Boyini

Updated on 30-Jul-2019 22:30:24

245 Views

First, create a LinkedHashSet and add elements −LinkedHashSet l = new LinkedHashSet(); l.add(new String("1")); l.add(new String("2")); l.add(new String("3")); l.add(new String("4")); l.add(new String("5")); l.add(new String("6")); l.add(new String("7"));Now, copy it to an object array like this −// copying Object[] arr = l.toArray();The following is an example to copy all elements of a ... Read More

Create a new ArrayList from another collection in Java

karthikeya Boyini

karthikeya Boyini

Updated on 30-Jul-2019 22:30:24

457 Views

An ArrayList can be created from another collection using the java.util.Arrays.asList() method. A program that demonstrates this is given as follows −Example Live Demoimport java.util.ArrayList; import java.util.Arrays; import java.util.List; public class Demo {    public static void main(String args[]) throws Exception {       String str[] = { "John", "Macy", ... Read More

ftp_alloc() function in PHP

karthikeya Boyini

karthikeya Boyini

Updated on 30-Jul-2019 22:30:24

200 Views

The ftp_alloc() function allocates space for a file to be uploaded to the FTP server.Syntaxftp_alloc(connection, size_of_file, res);Parametersconnection − The FTP connection to usesize_of_file − The number of bytes to allocateres − A variable to store the server responseReturnThe ftp_alloc() function returns TRUE on success or FALSE on failureExampleThe following is ... Read More

Instruction type ADC R in 8085 Microprocessor

karthikeya Boyini

karthikeya Boyini

Updated on 30-Jul-2019 22:30:23

7K+ Views

In 8085 assembly language coding, sometimes there is a requirement to add two numbers and where each of these numbers are having several Bytes in size. As example, let us add the following two 16-bit numbers. 1 10 50H ... Read More

Instruction type SUB R in 8085 Microprocessor

karthikeya Boyini

karthikeya Boyini

Updated on 30-Jul-2019 22:30:23

5K+ Views

In 8085 Instruction, SUB is a mnemonic that stands for ‘SUBtract contents of R from Accumulator. Here R stands for any of the following registers, or memory location M pointed by HL pair. R = A, B, C, D, E, H, L, or M Mnemonics, ... Read More

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