Arrays

BIGGEST ELEMENT
import java.util.ArrayList;
import java.util.Scanner;

public class main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int [] array = {5,6,78,37,31,45};
         int max = array[0];
         for(int i = 1; i<array.length; i++){
             if(array[i]>max) {
                 max = array[i];
             }
         }
         System.out.println(max);
    }
}

EQUALS ARRAYS
import java.util.ArrayList;
import java.util.Scanner;

public class main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        boolean equals = false;
        while (true) {
            String[] a = scan.nextLine().split(" ");
            String[] b = scan.nextLine().split(" ");
            if (a.length != b.length) {
                System.out.println("not equals");
                break;
            }
            if (a.length == b.length) {
                for (int i = 0; i < a.length; i++) {
                    int a1 = Integer.parseInt(a[i]);
                    int b1 = Integer.parseInt(b[i]);
                    if (a1 == b1) {
                        equals = true;
                        continue;
                    } else if (a1 != b1) {
                        equals = false;
                    }
                }
                if (equals == true) {
                    System.out.println("equals");
                } else if (equals != true) {
                    System.out.println("not equals");
                }

            }
        }
    }
}