As shown below:
import java.util.List;import java.util.ArrayList;import java.util.Set;import java.util.HashSet;public class lzwCode {public static void main(String [] args) {testA();System.out.println("=========================================================================================================================================================================================================================================================================================================================================================================================================================== testA() {String [] str = {"Java", "C++", "Php", "C#", "Python", "C++", "Java"};for (String elementA:str ) {System.out.print(elementA + " ");} List<String> list = new ArrayList<String>();for (int i=0; i<str.length; i++) {if(!list.contains(str[i])) {list.add(str[i]);}}/*Set<String> set = new HashSet<String>(); for (int i=0; i<str.length; i++) {set.add(str[i]);}String[] newStr = set.toArray(new String[1]); */System.out.println();String[] newStr = list.toArray(new String[1]); //Return an array of specified types containing all objects for (String elementB:newStr ) {System.out.print(elementB + " ");}System.out.println();}//Delete one of the elements in the array public static void testB() {String [] str = {"Java", "C++", "Php", "C#", "Python"};for (String elementA:str ) {System.out.print(elementA + " ");}//Delete phpList<String> list = new ArrayList<String>();for (int i=0; i<str.length; i++) {list.add(str[i]);}list.remove(2); //list.remove("Php") System.out.println();String[] newStr = list.toArray(new String[1]); //Return an array of specified types containing all objects for (String elementB:newStr ) {System.out.print(elementB + " ");}System.out.println();}//Add an element in the array public static void testC() {String [] str = {"Java", "C++", "Php", "C#", "Python"};for (String elementA:str ) {System.out.print(elementA + " ");}//Add rubyList<String> list = new ArrayList<String>(); for (int i=0; i<str.length; i++) {list.add(str[i]);}list.add(2, "ruby"); //list.add("ruby") System.out.println();String[] newStr = list.toArray(new String[1]); //Return an array of specified types containing all objects for (String elementB:newStr ) {System.out.print(elementB + " ");}System.out.println();}}Console results:
In the above Java array, the implementation method of removing duplicate values, increasing and deleting array elements is all the content I have shared with you. I hope you can give you a reference and I hope you can support Wulin.com more.