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public class ArrayDemo {
public static void singleDimensionalArray() {
int size = 5;
int[] arrNum = new int[size];
for (int i = 0, j = 10; i < size; i++, j += 10) {
arrNum[i] = j;
}
for (int i = 0; i < size; i++) {
System.out.println(arrNum[i]);
}
}
public static void multiDimensionalArray() {
int rows = 3;
int cols = 3;
int[][] arrNum = new int[rows][cols];
int k = 10;
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
arrNum[i][j] = k;
k += 10;
}
}
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
System.out.print(arrNum[i][j] + " ");
}
System.out.println();
}
}
public static void main(String[] args) {
System.out.println("1-D Array Demonstration: -");
singleDimensionalArray();
System.out.println();
System.out.println("2-D Array Demonstration: -");
multiDimensionalArray();
}
} |