Add strings to list1163 - Java Quiz Question

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What will be the output of the following program?

import java.util.*;

public class AddCollection2 
{
    public static void main(String args[])
    {
        List<String> list = new ArrayList<String>();
        Collections.addAll(list, "C", "C++", "C#", "JAVA");
        System.out.println(list);
        
        String[] strs = {".Net", "UNIX"};
        Collections.addAll(list, strs);
        System.out.println(list);
        
        Collections.addAll(list, list);
        System.out.println(list);
    }
}

	[C, C++, C#, JAVA] [C, C++, C#, JAVA, .Net, UNIX] [C, C++, C#, JAVA, .Net, UNIX]
	[C, C++, C#, JAVA] [C, C++, C#, JAVA, .Net, UNIX] [C, C++, C#, JAVA, .Net, UNIX, C, C++, C#, JAVA]
	[C, C++, C#, JAVA] [C, C++, C#, JAVA, .Net, UNIX] [C, C++, C#, JAVA, .Net, UNIX, C, C++, C#, JAVA, .Net, UNIX]
	Compilation Error
	Runtime Error

Topic: Java ArrayList

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