Answer to Question #7871 in Java | JSP | JSF for Jackie

Question

Problem 2.
2.1.Make a program that allows you to create a 3 X 4 integer array. Your program will initialize the array with random numbers from 0 to 1000. Your program also will identify and display the largest value, smallest value, sum and average value of all data in the array.

Answer 1

public class Array {
private static int[][] mas = new int[3][4];
public static void initialize(){
Random rand = new Random();
for(int i=0;i<3;i++)
for(int j=0; j<4;j++)
mas[i][j]= rand.nextInt(1000);
}
public static void showArray(){
for(int i=0;i<3;i++){
for(int j=0; j<4;j++)
System.out.print(mas[i][j]+" ");
System.out.println("");
}
}
public static void showStats(){
int max = 0;
int min = mas[0][0];
int sum = 0;
for(int i=0;i<3;i++)
for(int j=0;j<4;j++){
if(mas[i][j]>max)
max = mas[i][j];
if(mas[i][j]<min)
min = mas[i][j];
sum+=mas[i][j];
}
System.out.println("Max element: "+max);
System.out.println("Min element: "+min);
System.out.println("Sum of elements: "+sum);
System.out.println("Average: "+(sum/12));
}
public static void main(String[] args){
initialize();
showArray();
showStats();
}
}