/Java/Find duplicate value in array using java

Find duplicate value in array using java

Java array check duplicates

duplicates = false;

for(i = 0; i < zipcodeList.length; i++) {
	for(j = i + 1; k < zipcodeList.length; j++) {
  		if(j != i && zipcodeList[j] == zipcodeList[i]) {
   	  		duplicates = true;
		}
	}
}

Source: stackoverflow.com

Find duplicate value in array using java

public class DuplicateArrayElement {
  public static void main(String[] args) {
    int[] numArray = {2, 6, 7, 6, 2, 19, 1, 19};
    for(int i = 0; i < numArray.length; i++){
      for(int j = i + 1; j < numArray.length; j++){
        if(numArray[i] == numArray[j]){
          System.out.println("Duplicate element found " + numArray[j]);
        }
      }
    }    
  }
}

Source: netjstech.com

Java find duplicates in array

// Uses a set, which does not allow duplicates 

for (String name : names) 
{
     if (set.add(name) == false) 
     {
        // print name your duplicate element
     }
}

Source: javarevisited.blogspot.com

Similar codes

2 votes194 views1 answer
Com.android.builder.dexing.DexArchiveMergerException:
Java
0 vote208 views1 answer
Javafx edit list
Java
1 vote200 views1 answer
Bukkit scheduled task
Java
1 vote216 views1 answer
How to create an array without knowing the size java
Java
0 vote194 views1 answer
Split the argument String and add the tokens into a list
Java
0 vote191 views1 answer
Hadoop-master error java_home is not set and could not be found
Java
1 vote263 views3 answers
How to change checkbox color in android
Java
1 vote232 views2 answers
Extended euclidean algorithm in java
Java
2 votes190 views1 answer
Error: package android.support.v4.content does not exist import android.support.v4.content.FileProvider; ^
Java
0 vote228 views1 answer
Java pair class
Java