/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 votes237 views1 answer
Java iterate through map
Java
0 vote255 views1 answer
Is java good then c++ is good
Java
1 vote271 views1 answer
Test if string is float java
Java
0 vote259 views2 answers
How we can use for loop three times in java
Java
1 vote244 views1 answer
Contains hashmap java
Java
1 vote250 views1 answer
Discord jda get message by id
Java
12 votes230 views2 answers
Run spring boot application command line
Java
5 votes257 views3 answers
How to install java 8 on ubuntu 20.04
Java
0 vote231 views1 answer
Java mockito print called methods
Java
4 votes243 views1 answer
Java fps
Java