Lab Description: Use nested loops to print out the triangle letter pattern show below Files Needed TriangleThree.Java TriangleThreeRunner.Java Sample Data: 3 A 7 X 1 R 5 T Sample Output: lgorithm hel output="" ; oopthat runa aize timea *X oop AX output output + loop k output output + letter output output + " " IT import static java.lang.System.* public class TriangleThree private int size; private String letter; public TriangleThree() public TriangleThree (int count, String let) public void setTriangle( String let, int sz ) public String getLetter() return "4". public String toString() String return output=""; output+" "; import static java.lang.System.* public class TriangleThreeRunner public static void main( String args)