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AdvancedPattern2.java

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public class AdvancedPattern2 {

public static void main(String[] args) {

int n = 5;

System.out.println("---------------------------- Pattern1 ----------------------------");

// *

// **

// ***

// ****

// *****

// ****

// ***

// **

// *

String pattern[] = new String[2 * n - 1];

for (int i = 1; i < 2 * n; i++) {

StringBuilder row = new StringBuilder();

int breakpoint = i;

if (i > n)

breakpoint = 2 * n - i;

for (int j = 1; j < breakpoint; j++) {

row.append(" ");

}

for (int j = 0; j < breakpoint; j++) {

row.append("*");

}

pattern[i - 1] = row.toString();

}

for (String row : pattern) {

System.out.println(row);

}

System.out.println("---------------------------- Pattern2 ----------------------------");

// 1 2 3 4 5

// 2 3 4 5

// 3 4 5

// 4 5

// 5

// 4 5

// 3 4 5

// 2 3 4 5

// 1 2 3 4 5

for (int i = 1; i <= n; i++) {

for (int j = 0; j < i; j++) {

System.out.print(" ");

}

for (int j = i; j <= n; j++) {

System.out.print(j + " ");

}

System.out.println();

}

for (int i = 1; i < n; i++) {

for (int j = n - 1; j >= i; j--) {

System.out.print(" ");

}

for (int j = n - i; j <= n; j++) {

System.out.print(j + " ");

}

System.out.println();

}

for (int i = 0; i < 2 * n; i++) {

int num = i;

int breakpoint = i;

if (i > n)

breakpoint = 2 * n - i;

for (int j = 1; j < breakpoint; j++) {

System.out.print(" ");

}

for (int j = 1; j <= breakpoint; j++) {

System.out.print(j + " ");

}

System.out.println();

}

}

}