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    <p>try this, it finds duplicate values in all rows, and each row too, works for me :)</p> <pre><code>/* import java.util.ArrayList; import java.util.Collections; import java.util.List; public class DupRemove { public static void main(String...arg){ double val[]={1,4.3,5,2,4,4,4,6.5,2,2,2,2,2,3.5,3.7,4,7,8,9}; for(int i=0;i&lt;val.length;i++){ add(val[i]); } Collections.sort(list); System.out.println(list); } static List&lt;Double&gt; list=new ArrayList&lt;&gt;(); public static void add(double d){ if(!list.contains(d)){list.add(d);} } } */ import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class PointStatue { /*private static List&lt;Double&gt; col1 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col2 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col3 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col4 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col5 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col6 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col7 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col8 = new ArrayList&lt;Double&gt;();*/ //private static List&lt;Double&gt; list=new ArrayList&lt;Double&gt;(); private static ArrayList&lt;List&lt;Double&gt;&gt; rows=new ArrayList&lt;List&lt;Double&gt;&gt;(); private static List&lt;Double&gt; numbers = new ArrayList&lt;Double&gt;(); private static void okuDiziyeKoy(String path,ArrayList&lt;String&gt; arr) throws Exception{ BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream(path))); //skip the first line br.readLine(); String g; while((g=br.readLine())!=null){ arr.add(g); } } public static void main(String[] args) throws Exception { ArrayList&lt;String&gt; puan = new ArrayList&lt;String&gt;(); okuDiziyeKoy("C:/deneme/HW.txt", puan); // puan = okuDiziyeKoy("C:\\deneme\\HW.txt"); System.out.format("%d kayıt okundu.%n", puan.size()); Double doubleValue; for (int j = 0; j &lt; puan.size(); j++) { List&lt;Double&gt; listToAdd=new ArrayList&lt;Double&gt;(); rows.add(j, listToAdd); String point = puan.get(j); //split data(line) by }{ String[] edit = point.split("[}][{]"); for(int l=3;l&lt;edit.length-1;l++){ //parsing String as double doubleValue=Double.parseDouble(edit[l]); //check if double value is not exist then add it to list if(!numbers.contains(doubleValue)){ numbers.add(doubleValue); } if(!listToAdd.contains(doubleValue)){ listToAdd.add(doubleValue); } } /* for (String s : edit) { String a = s.replaceAll("[\\}\\-\\&gt;\\&gt;\\]\\[\\#\\*\\{]+", ""); String b = a.replaceAll("[\\.]+", ","); Scanner scanner = new Scanner(b); while (scanner.hasNext()) { if (scanner.hasNextDouble()) { doubleValue = scanner.nextDouble(); if(!numbers.contains(doubleValue)){ numbers.add(doubleValue); } // System.out.println(Arrays.deepToString(numbers.toArray())); }// if scan end else { //if it is string comes value here String stringValue = scanner.next(); }// if scan end }// while end }// for string s }// for j end*/ } Collections.sort(numbers); System.out.println("Unique values(in all rows): "); for(Double d :numbers){ System.out.print(d+" "); } System.out.println(); /*int col=1; for(int i=0;i&lt;numbers.size();i++) { Double rowValue = numbers.get(i); switch(col) { case 1: col1.add(rowValue); col++; break; case 2: col2.add(rowValue); col++; break; case 3: col3.add(rowValue); col++; break; case 4: col4.add(rowValue); col++; break; case 5: col5.add(rowValue); col++; break; case 6: col6.add(rowValue); col = 1; break; }//switch end }//for i end*/ /* Collections.sort(col1); Collections.sort(col2); Collections.sort(col3); Collections.sort(col4); Collections.sort(col5); Collections.sort(col6);*/ /*System.out.println("kolon1 "+col1); System.out.println("kolon2 "+col2); System.out.println("kolon3 "+col3); System.out.println("kolon4 "+col4); System.out.println("kolon5 "+col5); System.out.println("kolon6 "+col6);*/ //sorting each row for(int i=0;i&lt;rows.size();i++){ Collections.sort(rows.get(i)); } //showing each row(array) for(int i=0;i&lt;rows.size();i++){ System.out.println("kolon"+i+": "+rows.get(i)); } }// main end } </code></pre> <p>dup in columns:</p> <pre><code>/* import java.util.ArrayList; import java.util.Collections; import java.util.List; public class DupRemove { public static void main(String...arg){ double val[]={1,4.3,5,2,4,4,4,6.5,2,2,2,2,2,3.5,3.7,4,7,8,9}; for(int i=0;i&lt;val.length;i++){ add(val[i]); } Collections.sort(list); System.out.println(list); } static List&lt;Double&gt; list=new ArrayList&lt;&gt;(); public static void add(double d){ if(!list.contains(d)){list.add(d);} } } */ import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class PointStatue { /*private static List&lt;Double&gt; col1 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col2 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col3 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col4 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col5 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col6 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col7 = new ArrayList&lt;Double&gt;(); private static List&lt;Double&gt; col8 = new ArrayList&lt;Double&gt;();*/ //private static List&lt;Double&gt; list=new ArrayList&lt;Double&gt;(); private static ArrayList&lt;List&lt;Double&gt;&gt; rows=new ArrayList&lt;List&lt;Double&gt;&gt;(); private static List&lt;Double&gt; numbers = new ArrayList&lt;Double&gt;(); private static void okuDiziyeKoy(String path,ArrayList&lt;String&gt; arr) throws Exception{ BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream(path))); //skip the first line br.readLine(); String g; while((g=br.readLine())!=null){ arr.add(g); } } public static void main(String[] args) throws Exception { ArrayList&lt;String&gt; puan = new ArrayList&lt;String&gt;(); okuDiziyeKoy("C:/deneme/HW.txt", puan); // puan = okuDiziyeKoy("C:\\deneme\\HW.txt"); System.out.format("%d kayıt okundu.%n", puan.size()); Double doubleValue; for (int j = 0; j &lt; 6; j++) { rows.add(new ArrayList&lt;Double&gt;()); } for (int j = 0; j &lt; puan.size(); j++) { String point = puan.get(j); //split data(line) by }{ String[] edit = point.split("[}][{]"); for(int l=3;l&lt;edit.length-1;l++){ //parsing String as double doubleValue=Double.parseDouble(edit[l]); //check if double value is not exist then add it to list if(!numbers.contains(doubleValue)){ numbers.add(doubleValue); } if(!rows.get(l-3).contains(doubleValue)){ rows.get(l-3).add(doubleValue); } } /* for (String s : edit) { String a = s.replaceAll("[\\}\\-\\&gt;\\&gt;\\]\\[\\#\\*\\{]+", ""); String b = a.replaceAll("[\\.]+", ","); Scanner scanner = new Scanner(b); while (scanner.hasNext()) { if (scanner.hasNextDouble()) { doubleValue = scanner.nextDouble(); if(!numbers.contains(doubleValue)){ numbers.add(doubleValue); } // System.out.println(Arrays.deepToString(numbers.toArray())); }// if scan end else { //if it is string comes value here String stringValue = scanner.next(); }// if scan end }// while end }// for string s }// for j end*/ } Collections.sort(numbers); System.out.println("Unique values(in all rows): "); for(Double d :numbers){ System.out.print(d+" "); } System.out.println(); /*int col=1; for(int i=0;i&lt;numbers.size();i++) { Double rowValue = numbers.get(i); switch(col) { case 1: col1.add(rowValue); col++; break; case 2: col2.add(rowValue); col++; break; case 3: col3.add(rowValue); col++; break; case 4: col4.add(rowValue); col++; break; case 5: col5.add(rowValue); col++; break; case 6: col6.add(rowValue); col = 1; break; }//switch end }//for i end*/ /* Collections.sort(col1); Collections.sort(col2); Collections.sort(col3); Collections.sort(col4); Collections.sort(col5); Collections.sort(col6);*/ /*System.out.println("kolon1 "+col1); System.out.println("kolon2 "+col2); System.out.println("kolon3 "+col3); System.out.println("kolon4 "+col4); System.out.println("kolon5 "+col5); System.out.println("kolon6 "+col6);*/ //sorting each row for(int i=0;i&lt;rows.size();i++){ Collections.sort(rows.get(i)); } //showing each row(array) for(int i=0;i&lt;rows.size();i++){ System.out.println("kolon"+(i+1)+": "+rows.get(i)); } }// main end } </code></pre>
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    1. COthanks so much dude =))
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    2. COmy pleasure buddy, so did you got your answer? does it work good? I hope there is no any problem/issue? Hallelujah :)
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    3. COdude =) you put n kolons but if you look my text there is 6 numbers .ı take first numbers like 1.75, 1.43,1.29 1.29. I put them on one array, 2. numbers to other array, ı have 6 array because ı have 6 point near all of sencentence.Then ı sort them.. now you take n kolons. But ı have to be take 6 kolons because ı take 6 point only. ı try aplied my code but ı cant it. so sory dude :( ı take your time .. very very thanks..
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