[quote]public class wwww {
/* public static void main(String[] args) throws CloneNotSupportedException {
Calendar cal = Calendar.getInstance();
//int year = cal.get(Calendar.YEAR);
int Month =cal.get(Calendar.MONTH)+1;
System.out.println(Month);
cal.add(cal.MONTH, -1);
int saleMonth = cal.get(Calendar.MONTH)+1;
System.out.println(saleMonth);
} */
public static void main(String[] args) {
char[][] chars = {
{'1','2','3','4'},
{'5','6','7','8'},
{'9','0','a','b'},
{'c','d','e','f'}};
int columnNum = chars[0].length;
int rowNum = chars.length;
printCharArray(rowNum, columnNum, chars);
}
private static void printCharArray(int rowNum, int columnNum, char[][] chars) {
//print the first row of given array
for (int i = 0; i < columnNum; i++) {
System.out.print(chars[0][i]);
}
//swap rows with columns of sub-array
if (rowNum > 0 && columnNum > 0) {
int newRowNum = columnNum;
int newColumnNum = rowNum - 1;
char[][] newChars = new char[newRowNum][newColumnNum];
for (int i = 0; i < newRowNum; i++) {
for (int j = 0; j < newColumnNum; j++) {
newChars[i][j] = chars[j + 1][newRowNum - i - 1];
}
}
//print the sub-array recursively
printCharArray(newRowNum, newColumnNum, newChars);
}
}
}[/quote]
