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.
}// 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...
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.p...
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// 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...
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...
public class GFG { public static void main(String[] args) { // Demonstrating remove on ArrayList List<String> myAlist = new ArrayList<String>(); myAlist.add("Geeks"); myAlist.add("Practice"); myAlist.add("Quiz"); System.out.println("Original ArrayList : " + myAlist); myAlist.remov...
// 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.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...
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"); synchronized(list) { // must be in synchronized block ...