list.add("to"); list.add("GFG"); System.out.println("The list is given as : "+ list);// get the iterator on the listIterator<String> itr = list.iterator();// Returns true if there are more number of// elements.while(itr.hasNext()) {// Returns the next element.System.out.pr...
public class GFG { // In this method, there is a // Type parameter N which extends Number class public <N extends Number> void getSampleMethod(N n) { } // create main method public static void main(String args[]) { try { // create class object for class name GFG Class c = GFG...
}// By now writing to the file has ended, so// Display message on the consoleSystem.out.println("copied the file successfully"); }// Optional finally keyword but is good practice to// empty the occupied space is recommended whenever// closing files,connections,streamsfinally{// Closing the...
public class GFG { public static void main(String args[]) { String string1 = new String("Geeksforgeeks"); String string2 = new String("Practice"); String string3 = new String("Geeks"); String string4 = new String("Geeks"); // Comparing for String 1 < String 2 System.out.println...
class GFG { public static void main (String[] args) { Listlist = Collections.synchronizedList(new ArrayList()); list.add("practice"); list.add("code"); list.add("quiz"); synchronized(list) { // must be in synchronized block Iterator it = list.iterator(); ...
// Java program to demonstrate working of// Collections.synchronizedListimportjava.util.*;classGFG{publicstaticvoidmain(String[]args){List<String>list=Collections.synchronizedList(newArrayList<String>());list.add("practice");list.add("code");list.add("quiz");synchronized(list){// must be in syn...
// Similarly creating ObjectOutputStream class// objectObjectOutputStreamoutputStream=newObjectOutputStream(out);// Creating objects of class 1Employeeobj=newEmployee();// Assifning ID to an employeeobj.setId("001");// Writing objects to streamoutputStream.writeObject(obj);// Good practice is ...
// Java program to demonstrate working of // Collections.synchronizedList import java.util.*; class GFG { public static void main (String[] args) { List<String> list = Collections.synchronizedList(new ArrayList<String>()); list.add("practice"); list.add("code"); list.add("quiz"); synch...
mylist.add("practice"); mylist.add("qa");// Print and display the elements of List on consoleSystem.out.println("Original List : \n"+ mylist);// Shuffling the given list// using Random() methodCollections.shuffle(mylist,newRandom());// Print the updated list on consoleSystem.out....
It is always a good practice to back up application data in a production environment before performing an upgrade. Note the location of the persistent store for the dynamic application data indicated inTable 8–2. Upgrading Release 5 Message Queue ...