How to Convert Array to ArrayList & Enum Example in Java

/**
 *
 */
package com.konzern.transformatore.enums;

/**
 * @author konzernites
 * @version 1.0
 *
 */
public enum CobolDivision {

IDENTIFICATION_DIVISION("IDENTIFICATION DIVISION."),
DATA_DIVISION("DATA DIVISION."),
PROCEDURE_DIVISION("PROCEDURE DIVISION."),
ENVIRONMENT_DIVISION("ENVIRONMENT DIVISION.");

private String division = null;

private CobolDivision(String division) {
this.division= division;
}

public String getDivision() {
return division;
}


}

import java.util.ArrayList;

import java.util.List;

import com.konzern.transformatore.enums.CobolDivision;

/**

 * 8281808029

 */

/**

 * @author Consumerfed

 * 

 *

 */

public class EnumsTestClass {

/**

* @param args

*/

public static void main(String[] args) {

List<String> cobolDivisions = new ArrayList<>();

for (CobolDivision cobolDivison : CobolDivision.values()) {

cobolDivisions.add(cobolDivison.getDivision());

System.out.println(cobolDivison.getDivision());

}

System.out.println(cobolDivisions.size());

}

}

Output

IDENTIFICATION DIVISION.

DATA DIVISION.

PROCEDURE DIVISION.

ENVIRONMENT DIVISION.

4

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Removing duplicate values from ArrayList in Java

/**
 * This is a sample java program
 * that demonstrate removing duplicate elements from an ArrayList
 *
 * 2 ways - one by using set and other by Iterating through each objects
 *
 * List Interface is implemented by ArrayList, LinkedList, Vector and Stack classes
 *
 */
package com.belazy.collections;

import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

/**
 * @author Saurav
 *
 *
 * @version 1.6
 *
 */
public class RemoveDuplicates {

/**
* @param args
*/
public static void main(String[] args) {

List<String> orgList = new ArrayList<String>();
orgList.add("SACHIN");
orgList.add("SACHIN");
orgList.add("ANJALI");
orgList.add("SARA");
orgList.add("ARJUN");

List<String> processedList = new ArrayList<String>();

for(String str:orgList){
if(!processedList.contains(str)){
processedList.add(str);
}
}


Set<String> newSet = new LinkedHashSet<String>(orgList);

System.out.println(" Orginal List : "+orgList);
System.out.println(" After Removing duplicates : "+processedList);
System.out.println(" New Set : "+newSet);



}

}

Output

 Orginal List : [SACHIN, SACHIN, ANJALI, SARA, ARJUN]

 After Removing duplicates : [SACHIN, ANJALI, SARA, ARJUN]

 New Set : [SACHIN, ANJALI, SARA, ARJUN]