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Pattern12.java
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/*Print the following pattern: numbered pyramid.
1
2 1 2
3 2 1 2 3
4 3 2 1 2 3 4
5 4 3 2 1 2 3 4 5
*/
package problems;
public class Pattern12 {
public static void main(String[] args) {
int rows = 5;
System.out.println();
for (int i = 1; i <= rows; i++) {
for (int j = rows; j > i; j--) {
System.out.print(" ");
}
int num = i;
for (int k = 1; k <= i; k++) {
System.out.print(num-- + " ");
}
for (int l = 2; l <= i; l++) {
System.out.print(l + " ");
}
System.out.println();
}
System.out.println("Another way :-");
int n = 5;
for (int i = 1; i <= n; i++) {
// spaces
for (int j = 1; j <= n - i; j++) {
System.out.print(" ");
}
// first part
for (int j = i; j >= 1; j--) {
System.out.print(j + " ");
}
// second part
for (int j = 2; j <= i; j++) {
System.out.print(j + " ");
}
System.out.println();
}
}
}