/* package whatever; // don't place package name! */
 
import java.util.*;
import java.util.stream.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
        int[][] data = new int[][] {
	        new int[] {1, 2, 3}
        ,   new int[] {4, 5, 6}
        ,   new int[] {7, 8, 9}
        };
        List<List<Integer>> ll = Arrays
            .stream(data)
            .map(a -> IntStream.of(a).boxed().collect(Collectors.toList()))
            .collect(Collectors.toList());
        for (List<Integer> l : ll) {
    	    for (Integer x : l) {
        		System.out.print(x+" ");
        	}
    	    System.out.println();
        }
    }
}

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