Question

How to loop through ArrayList in Java

Answer 1

import java.util.ArrayList;
import java.util.Arrays;

public class MyClass {
    public static void main(String args[]) {
        ArrayList<String> al = new ArrayList<String>(Arrays.asList("java", "c++", "c", "php"));
         
        for (String s : al) {
            System.out.println(s);
        }
    }
}



/*
run:

java
c++
c
php

*/

 

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Answer 2

import java.util.ArrayList;
import java.util.Arrays;

public class MyClass {
    public static void main(String args[]) {
        ArrayList<String> al = new ArrayList<String>(Arrays.asList("java", "c++", "c", "php"));
         
        for (int i = 0; i < al.size(); i++) {
            System.out.println(al.get(i));
        }
    }
}




/*
run:

java
c++
c
php

*/

 

70+ SQL courses for beginners and professionals

Answer 3

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;

public class MyClass {
    public static void main(String args[]) {
        ArrayList<String> al = new ArrayList<String>(Arrays.asList("java", "c++", "c", "php"));
         
        Iterator it = al.iterator();
        while (it.hasNext()) {
            System.out.println(it.next());
        }
    }
}




/*
run:

java
c++
c
php

*/

 

70+ SQL courses for beginners and professionals