How do you get rid of DUP?

Remove duplicate values

  1. Select the range of cells that has duplicate values you want to remove. Tip: Remove any outlines or subtotals from your data before trying to remove duplicates.
  2. Click Data > Remove Duplicates, and then Under Columns, check or uncheck the columns where you want to remove the duplicates.
  3. Click OK.

How do I remove dupes from a list?


  1. Get the ArrayList with duplicate values.
  2. Create a LinkedHashSet from this ArrayList. This will remove the duplicates.
  3. Convert this LinkedHashSet back to Arraylist.
  4. The second ArrayList contains the elements with duplicates removed.

Can I delete duplicate files on my computer?

Duplicates of media files It is normally safe to delete duplicates of your personal pictures or films, but as before, ensure that you verify the file path and the files’ content before you delete anything.

How do I remove duplicates in multiple columns?

Remove Duplicates from Multiple Columns in Excel

  1. Select the data.
  2. Go to Data –> Data Tools –> Remove Duplicates.
  3. In the Remove Duplicates dialog box: If your data has headers, make sure the ‘My data has headers’ option is checked. Select all the columns except the Date column.

How can we remove an object from ArrayList?

In general an object can be removed in two ways from an ArrayList (or generally any List ), by index ( remove(int) ) and by object ( remove(Object) ). In this particular scenario: Add an equals(Object) method to your ArrayTest class. That will allow ArrayList.

How do you remove duplicates from a linked list in Java?

Write a removeDuplicates() function that takes a list and deletes any duplicate nodes from the list. The list is not sorted. For example if the linked list is 12->11->12->21->41->43->21 then removeDuplicates() should convert the list to 12->11->21->41->43.

How do I delete duplicate photos on my computer?

Deleting duplicate photos from a Windows 10 computer…

  1. Open Duplicate Sweeper.
  2. Add folders to sweep for duplicate photos.
  3. Click “Start Duplicate Search”.
  4. Select which files to remove, or let Duplicate Sweeper decide automatically (based on your preferences).
  5. Click “Recycle Selected Duplicates”.

How do I remove duplicates without affecting other columns?

With a formula and the Filter function, you can quickly remove duplicates but keep rest.

  1. Select a blank cell next to the data range, D2 for instance, type formula =A3=A2, drag auto fill handle down to the cells you need.
  2. Select all data range including the formula cell, and click Data > Filter to enable Filter function.

How do I delete duplicates?

Click and drag to select duplicate files. You can also press and hold the “Ctrl” key and click on multiple files to select them. Duplicate files will be identified as “Copy (2),” “Copy (3)” and so on. Press the “Delete” button to delete the duplicate files if desired.

How do I remove duplicate lines?

Check the “Case sensitive.”. Check the “Remove empty lines.”. Check the “Display removed.”. Lines are prefixed with removal information for reference. Example: Click the “Remove Duplicate Lines” button and watch these duplicate lines become one. Click the “Remove Duplicate Lines” button and watch these duplicate lines become one.

How do I clean duplicate files?

How to Clean Duplicate Files Step 1: Open MacClean to get started. Step 2: Choose Folders to Check Duplicates Step 3: Pre-check Files and Start the Removing Step 4: Finish Removing and Share the Result Ask for Help or Contribute to This Guide

Can you delete duplicates?

How to Delete Duplicates in Excel Open your Excel document file by double-clicking on the file name. Once your file is open, select the range that you want to delete duplicates from. Your chosen range should now be highlighted. Click the Data tab, which is a tab on the left side of the green toolbar at the top of the Excel window.