Java Program To Remove Duplicate Elements From ArrayList without using Collections

package com.javainhouse; import java.util.ArrayList;  public class RemoveDuplicates { public static void main(String[] args) {  ArrayList<Object> al = new ArrayList<Object>();   al.add("java");   al.add('a');  al.add('b');  al.add('a');  al.add("java");  al.add(10.3);   al.add('c');   al.add(14);   al.add("java");     al.add(12);   System.out.println("Before Remove Duplicate elements:"+al);  for(int i=0;i<al.size();i++)  {    for(int j=i+1;j<al.size();j++) {  if(al.get(i).equals(al.get(j))) {  al.remove(j); j--;  }  }  }  System.out.println("After Removing duplicate elements:"+al); } }

Read more

Program to remove a particular character from a sentence

public class Test

{
  public static void main(String[] args)
  {
 
    String test=null;
        char remove = 0;
    System.out.println("Enter the String");
    test = new Scanner(System.in).nextLine();
    System.out.println("Enter the Character to be removed");
    remove=new Scanner(System.in).nextLine().charAt(0);
    StringBuilder newstring =new StringBuilder();
    for (int i = 0; i < test.length(); i++)
{
    if(remove==test.charAt(i))
    {
    continue;
    }
    newstring.append(test.charAt(i));
  }
   System.out.println(newstring);
  }
 
 
}
 
 
  

Read more