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Find The Maximum Value in a List

Write a method that returns the largest integer in the list.
You can assume that the list has at least one element.
public class BestOnlineLearning {

    public static int maxNumber(int[] n){
       int max = n[0];
       for(int i=0; i<n.length; i++){
           if(n[i] > max){
               max = n[i];
       return max;

    public static void main(String[] args) {
        int[] n = {2,4,5,6,7,8,9,0,1,3};


you can also use the for-each

for(int val : n){
   if(val > max){
       max = val;


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