how to print a matrix without braces in java
for ( int i = 0; i < rows; i++) { //for each row
String row = Arrays.toString(matrix[i])
.replace(",", "") //remove the commas
.replace("[", "") //remove the left bracket
.replace("]", "") //remove the right bracket
.trim(); //remove trailing spaces from partially initialized arrays
System.out.println(row);
}