Скачать или смотреть Difference between List vs Set in Java code of your Android App?

As shown in this video, the main difference are:

Set:
every element is unique
not ordered

List:
can repeat the same element
ordered



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Complete source code and other details/ steps of this video are posted in the below link:
https://programmerworld.co/android/di...



However, the main Java code is copied below also for reference:


package com.programmerworld.listvsset;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

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

public class MainActivity extends AppCompatActivity {

private TextView textViewSet, textViewList;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

textViewList = findViewById(R.id.textViewList);
textViewSet = findViewById(R.id.textViewSet);

}


public void buttonDisplay(View view){

Set ANGULAR_BRACKET String ANGULAR_BRACKET stringsSet = new HashSet ANGULAR_BRACKET ANGULAR_BRACKET ();

stringsSet.add("Paris");
stringsSet.add("Tokyo");
stringsSet.add("Beijing");
stringsSet.add("Seoul");
stringsSet.add("Tokyo");

textViewSet.setText(stringsSet.toString());

List ANGULAR_BRACKET String ANGULAR_BRACKET stringsList = new ArrayList ANGULAR_BRACKET ANGULAR_BRACKET();

stringsList.add("Paris");
stringsList.add("Tokyo");
stringsList.add("Beijing");
stringsList.add("Seoul");
stringsList.add("Tokyo");

textViewList.setText(stringsList.toString());
}
}

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