package utils;

import java.io.Serializable;

import java.util.List;

public class Utils {

private Utils() {

}

public static void printListInString(List<? extends Serializable> list) {

list.forEach(System.out::print);

System.out.println();

}

public static <T> void printIntArray(T[] arr) {

for (T element : arr) {

System.out.print(element + " ");

}

System.out.println();

}

public static void printIntArray(int[] arr) {

for (int element : arr) {

System.out.print(element + " ");

}

System.out.println();

}

public static void printIntArray(boolean[] arr) {

for (boolean element : arr) {

System.out.print(element + " ");

}

System.out.println();

}

public static void printIntArrayMonospace(int[] ints) {

for (int anInt : ints) {

System.out.printf("%3d", anInt);

}

System.out.println();

}

public static void printMatrix(int[][] matrix) {

for (int i = 0; i < matrix.length; i++) {

for (int j = 0; j < matrix.length; j++) {

System.out.printf("%2d", matrix[i][j]);

}

System.out.println();

}

}

public static void printBinaryTree(TreeNode node) {

if (node == null) {

return;

}

System.out.printf("%4d", node.val);

printBinaryTree(node.left);

printBinaryTree(node.right);

}

public static void printNodeList(ListNode node) {

while (node != null) {

System.out.print(node.val + " ");

node = node.next;

}

System.out.println();

}

}