(2D - ARRAY) Write a program to accept an array and - i] SORT NON BOUNDARY ELEMENTS IN ASCENDING ORDER ii]CALCULATE SUM iii]DISPLAY

import java.util.;
class D2_Matrix{
// sorting non boundary elements
public static int[] bubbleSort( int a[] ){
int temp;
for(int i=0; i < a.length-1;i++){
for(int x=0;x < a.length-i-1;x++){
if(a[x+1] < a[x]){
temp=a[x];
a[x] = a[x+1];
a[x+1] = temp;
}}}
return a;}
public static void displayMatrix(int A[][]){
for( int row = 0 ; row < A.length; row++ ){
for( int col = 0 ; col < A[ row ].length ; col++ ){
System.out.print( A[ row ][ col ]+"\t" );}
System.out.println();}}
public static int displayMatrixDiagonals(int A[][]){
int sumOfDiagonals=0;
for( int row = 0 ; row < A.length; row++ ){
for( int col = 0 ; col < A[ row ].length ; col++ ){
System.out.print( "\t" );
if( row == col || row == A.length - 1 - col ){
System.out.print(A[ row ][ col ]);
sumOfDiagonals += A[ row ][ col ];
}else{
System.out.print( " " );}}
System.out.println();}
return sumOfDiagonals;}
public static void main( String args[] ){
Scanner sc = new Scanner( System.in );
System.out.print( "INPUT : " );
int M = sc.nextInt();
if( M > 3 && M < 10 ){
int A[][] = new int[M][M];
int n[] = new int[ MM - 2M - 2(M-2) ];
int i=0;
for( int row = 0 ; row < M; row++ ){
for( int col = 0 ; col < M ; col++ ){
A[ row ][ col ] = sc.nextInt();
//check for non-border elements
if( row > 0 && row < M-1 && col > 0 && col < M-1 ){
//store non border elements in array n
n[ i++ ] = A[ row ][ col ];
System.err.print(row+", "+col+"\t");}}}
System.out.println("ENTER THE SIZE OF THE ARRAY WHICH IS GREATER THAN THREE AND LESS THAN 10");
System.out.println( "ORIGINAL MATRIX : " );
displayMatrix( A );
//sort the array n
n = bubbleSort( n );
//display(n);
i=0;
for( int row = 1 ; row < M - 1 ; row++ ){
for( int col = 1 ; col < M - 1 ; col++ ){
A[ row ][ col ] = n[ i++ ]; }}
System.out.println( "REARRANGED MATRIX : " );
displayMatrix( A );
System.out.println( "DIAGONAL ELEMENTS : " );
int sumOfDiagonals = displayMatrixDiagonals(A);
System.out.println( "SUM OF DIAGONAL ELEMENTS = " + sumOfDiagonals );
}else{
System.out.println( "OUTPUT: THE SIZE OF THE MATRIX IS OUT OF RANGE" );}}}

For CODE : CLICK ➡ https://onecompiler.com/java/3yra86tj5(TO FIND OUTPUT)

BY : 🔴ONE THOUGHT TECHNOLOGY🔴