JAVA - How To Remove All Objects In An Arraylist If Exist In Another Arraylist
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In this java Collection Tutorial we will see How To Delete All Elements from ArrayList
If Elements Exist In Another ArrayList In Java NetBeans .
Source Code:
In this java Collection Tutorial we will see How To Delete All Elements from ArrayList
If Elements Exist In Another ArrayList In Java NetBeans .
Source Code:
package javadb_001;
import java.util.ArrayList;
import java.util.List;
public class Learn {
public static void main(String[] args){
String[] str1 = {"C#","JAVA","Android","ASP.NET","J2EE","PHP"};
List<String> list = new ArrayList<String>();
//fill the list
for(String s1 : str1){
list.add(s1);
}
String[] str2 = {"C","C++","JAVA","DELPHY","HTML","CSS","C#"};
List<String> list2 = new ArrayList<String>();
//fill the list2
for(String s2 : str2){
list2.add(s2);
}
//display the list2 Objects before removing existing objects
for(String s : list2){
System.out.println(s);
}
System.out.println("____________________");
for(int i = 0; i < list.size(); i++){
for(int j = 0; j < list2.size(); j++)
{
if(list.get(i).equals(list2.get(j))){
list2.remove(j);
}
}
}
//display the list2 Objects after removing existing objects
for(String s : list2){
System.out.println(s);
}
}
}