Java program to delete duplicate lines in text file
1 Create PrintWriter object for output txt 2 Open BufferedReader for input txt 3 Run a loop for each line of input txt 3 1 flag false 3 2 Open BufferedReader for output txt 3 3 Run a loop for each line of output txt If line of output txt is equal to current line of input txt flag true break loop 4
Removal of duplicate lines from a text file using java, 1 2 4 Welcome to SO What did you try suppose you have experience in Java File I O Please provide your code attempt as minimal reproducible example or at least show your research efforts by links e g search for java text file duplicate lines hc dev Aug 26 2021 at 8 11 Are the separators necessary Giorgi Tsiklauri
Java remove duplicate lines from a file Stack Overflow
Steg Verner 903 2 12 28 tmoreau Actually I am looking for an efficient implementation i e even if the answer is serial i e does not use parallelization but is efficient that is acceptable to me Steg Verner Jul 7 2015 at 9 23 Split your data into chunks and process each chunk parallel
Removing duplicates from a String in Java Stack Overflow, Removing duplicates from a String in Java Ask ion Asked 12 years 10 months ago Modified 9 months ago Viewed 287k times 28 I am trying to iterate through a string in order to remove the duplicates characters For example the String aabbccdef should become abcdef and the String abcdabcd should become abcd Here is what I have so far
Java program to delete duplicate lines in text file
Java program to delete duplicate lines in text file, The following Java program removes the duplicate lines from the above file and adds them to the file named output txt
Remove Duplicate Lines In Text Files Duplicate String Remover YouTube
Java Program To Remove Duplicates From A Given String
Java Program To Remove Duplicates From A Given String Below are the different methods to remove duplicates in a string Note The order of remaining characters in the output should be the same as in the original string Example Input Str geeksforgeeks Output geksfor Explanation After removing duplicate characters such as e k g s we have string as geksfor Input Str HappyNewYear
How To Remove Duplicate Elements From CSV Or Any Other File In Java
9 Answers Sorted by 390 Like this yourString yourString replaceAll s For example System out println lorem ipsum dolor n sit replaceAll s outputs lorem ipsum dolor sit What does that s mean How to remove duplicate white spaces in string using Java . With line not being String you can try and find sub quadratic solutions to whatever problem you are trying to solve give non legacy parts of the java runtime environment half a chance like Stream String java nio file Files lines Path path 1 Introduction In this quick tutorial we re going to learn how to clean up the duplicate elements from a List First we ll use plain Java then Guava and finally a Java 8 Lambda based solution This tutorial is part of the Java Back to Basic series here on Baeldung 2 Remove Duplicates From a List Using Plain Java
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